On April 17, 1973, U.S. Patent No. 3,728,480 issued to Ralph H. Baer on a Television Gaming and Training Apparatus. This product was marketed as the Magnavox Odyssey in 1972-1975.
Category Archives: Patent of the Day
April 16 Patent of the Day
April 15 Patent of the Day
April 14 Patent of the Day
On April 14, 1896, U.S. Patent No. 558,393 issued to John Harvey Kellogg on Flaked Cereals and Process of Preparing Same.
April 13 Patent of the Day
April 12 Patent of the Day
April 11 Patent of the Day
April 10 Patent of the Day
April 9 Patent of the Day
April 8 Patent of the Day
On April 8, 1873, U.S. Patent No. 137,564 issued to Alfred Paraf on an Improvement in Purifying and Separating Fats.