On March 8, 1932, U.S. Patent No. 1,848, 289, issued to Igor Sikorsky on Aircraft, Especially Aircraft of the Direct Lift Amphibian Type and Means of Constructing and Operating The Same — the helicopter.
Category Archives: Patent of the Day
March 7 Patent of the Day
On March 7, 1876, U.S. Patent No. 174,465 was issued to Alexander Graham Bell, on Telegraphy (the telephone).
March 6 Patent of the Day
On March 6, 1646, Joseph Jenckes was awarded the first patent in North America by the General Court of Massachusetts, for making scythes. This basic scythe design remained in use for over 300 years.
March 5 Patent of the Day
On March 5, 1929, U.S. Patent No. 1,704,061, issued to Clarence Saunders on a self-serving store — the first supermarket.
March 4 Patent of the Day
On March 4, 1880, U.S. Patent No. 422,866 issued to Seth Wheeler on a Toilet Paper Roll — the first perforated toilet paper on a roll.
March 3 Patent of the Day
On March 3, 1821, U.S. Patent No. X3306 issued to Thomas L. Jennings for a “dry scouring” cleaning process. Thomas was an African American businessman and abolitionist in New Your City, and was the first African-American to be issued a U.S. Patent.
March 2 Patent of the Day
On March 2, 1880, U.s. Patent No. 225,065 issued to Josia. M. Leeds on Building Houses, Barns, Fences &c. Josiah, who apparently had never read The Three Little Pigs, proposed to make a buildings out of hay.
March 1 Patent of the Day
On March 1, 1921, U.S. Patent No. 1,370,316 issued to magician and escape artist Harry Houdini on a Diver’s Suit.
February 29 Patent of the Day
On February 29, 1916, Maria Montessori was issued U.S. Patent No. 1, 173,298 on a Cut-Out Geometrical Figure for Didactical Purposes.
February 28 Patent of the Day
On February 28, 1995, Mark Xitco, John Gory, Kerry Perkins, Marshall Monroe, and William Redmann were issued U.S. Patent No. 5,392,735 on Marine Mammal Communication Device.
