On June 4, 1991, U.S. Patent No. D317254 issued to Anita Dembiczak on a bag.
Category Archives: Patent of the Day
June 3 Patent of the Day
June 2 Patent of the Day
June 1 Patent of the Day
May 31 Patent of the Day
May 29 Patent of the Day
May 28 Patent of the Day
May 27 Patent of the Day
May 26 Patent of the Day
On May 26, 1868, U.S. Patent No. 78,317 issued to Alfred Nobel in an Improved Explosive Compound (dynamite).
May 25 Patent of the Day
On May 25, 1948, U.S. Patent No. 2,442,141 issued to Andrew J. Moyer on a Method of Production of Penicillin.







