1/2 On this day in 1873, Louis Pasteur received US Patent No. 141,072 for an “Improvement in the manufacture of beer and yeast”. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1987, John Geddie received US Patent No. 4,681,244 for a “Portable bar” worn on the head. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1999, Dennis Olsen received US Patent No. 5,924,732 for an “In-line skate sail”, with poles attached to the skates and a sail above the user’s head. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1945, Lynn Williams filed a patent application for a “Smoke screen generator”, later granted as US Patent No. 2,476,171. It produced an oil fog from an aircraft to conceal military operations. #OnThisDay #OTD #PatentHistory #Patents #Chemtrails

1/4 On this day in 1888, US Patent No. 386,289 was granted to Miriam Benjamin for a “Gong and Signal Chair for Hotels, &c.” #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1868, US Patent No. 79,965 was granted to Alvin Fellows for an “Improvement in tape measures”. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1885, US Patent No. 322,177 was granted to Sarah Elisabeth Goode for a “Cabinet-bed”. Her invention combined a folding bed with a functional desk, helping furniture serve two purposes in limited space. #OnThisDay #OTD #PatentHistory #Patents #BlackHistory

1/2 On this day in 1961, German Patent No. 1 097 117 was issued to Artur Fischer for a “Spreizdübel”, or expansion plug. It became the basis of the Fischer S plug, one of the world’s most recognisable wall plugs. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1881, US Patent No. 244,358 was granted to William Brown and Benjamin Haugh for a “Jail or prison”. It became the basis of the rotary “squirrel cage jail”, where an entire circular cellblock rotated behind a single entrance. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1962, US Patent No. 3,043,625 was granted to Nils Bohlin for a “Safety belt”, the three-point safety belt. #OnThisDay #OTD #PatentHistory #Patents #Volvo

1/3 On this day in 1968, US Patent No. 3,392,261 was granted for a “Portable beam generator”. It is the famous patent often described online as a hand-held laser ray gun. The drawing certainly looks like science fiction. #OnThisDay #OTD #PatentHistory #Patents

On this day in 1991, US Patent No. 5,031,161 was granted for a “Life Expectancy Timepiece”. A digital watch that counted down your estimated remaining life. Basically a fitness tracker for the one metric everyone eventually completes. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1940, US Patent No. 2,206,860 was granted to Paul Sperry for a “Shoe”. It became the foundation of the famous Sperry Top-Sider. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1969, US Patent No. 3,454,279 was granted for the game later known as Twister. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1925, German Patent No. 416219 was granted for Arthur Scherbius’s “Encryption machine”, one of the foundational patents behind the Enigma machine. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1964, Otto Schueller received US Patent No. 3,139,622 for a “Moon Capsule Suit”. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1936, Henry Phillips received five US patents for the Phillips screw system. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 2000, French patent application publication No. 2 788 035 was published for a champagne cork with an electronic timer and a small explosive charge. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1869, Charles Singer received US Patent No. 92,379 for an “Improved rocking-chair”. The rocking motion operated a bellows, blowing air on the person sitting in it. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1864, Solomon Andrews received US Patent No. 43,449 for an “Improvement in aerostats”. #OnThisDay #OTD #PatentHistory #Patents

1/2 Today, the United States celebrates Independence Day. But it is not the only event in U.S. history worth remembering on this date. On this day in 1836, the U.S. Patent Act was signed into law. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1882, Albert Fearnaught received U.S. Patent No. 260,379 for a “Grave-signal”. It belonged to the wider 19th-century “safety coffin” field, driven by the cheerful fear of being buried prematurely. #OnThisDay #OTD #PatentHistory #Patents

1/3 On this day in 1897, British Patent No. 12,039 of 1896 was granted to Guglielmo Marconi for wireless telegraphy. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1958, Latvian-born inventor Visvaldis Dzenis received US Patent No. 2,840,909 for an “Apparatus for preparing cheese and the like”, a machine for producing mozzarella portions of defined size and weight. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1877, the German Imperial Patent Office, the Kaiserliches Patentamt, began work in Berlin. #OnThisDay #OTD #PatentHistory #Patents #DPMA

1/2 On this day in 1838, the Blake brothers received US Patent No. 821 for a “Mode of constructing casters and applying them to bedsteads”. #OnThisDay #OTD #PatentHistory #Patents

1/9 On this day in 1941, German Trademark No. 234 290 for “Fanta” was registered by Coca-Cola’s German subsidiary. #OnThisDay #OTD #TrademarkHistory #Fanta #CocaCola

1/2 On this day in 1988, Jamie Lee Curtis, best known as an actress, received US Patent No. 4,753,647 for an “Infant garment”. It was a disposable diaper with a sealed, openable pocket on the outside, containing clean-up wipes. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 2006, John Rose received US Patent No. 7,066,592 for “Frameless glasses attaching to body”. #OnThisDay #OTD #PatentHistory #Patents

1/2 On this day in 1929, George L. Pierce received US Patent No. 1,718,305 for a “Basket ball”, the first patent for a ball specifically designed for basketball. #OnThisDay #OTD #PatentHistory #Patents