Patent of the Day: Waffle Iron

On this day in 1869 the patent application for Waffle Iron was granted. U.S. Patent No. 94,043.


Patent of the Day: Oyster Shucking Knife

On this day in 1906 the patent application for Oyster Shucking Knife was granted. U.S. Patent No. 829,353.


Patent of the Day: Safety Razor

On this day in 1930 the patent application for Safety Razor was granted. U.S. Patent No. 1,773,614.


Patent of the Day: Smokeless Non-Tobacco Cigarette

On this day in 1965 the patent application for Smokeless Non-Tobacco Cigarette was granted. U.S. Patent No. 3,200,819.


Patent of the Day: Roofing Tile

On this day in 1883 the patent application for Roofing Tile was granted. U.S. Patent No. 283,126.


Patent of the Day: Press for Attaching Paper Fasteners

On this day in 1867 the patent application for Press for Attaching Paper Fasteners was granted. U.S. Patent No. 67,665.


Patent of the Day: Method of Preparing Food Products (Birdseye)

On this day in 1930 the patent application for Method of Preparing Food Products was granted. U.S. Patent No. 1,773,079.


Patent of the Day: Secret Communication System

On this day in 1942 the patent application for Secret Communication System was granted. U.S. Patent No. 2,292,387.


Patent of the Day: Electrical Stringed Musical Instrument (Electric Guitar)

On this day in 1937 the patent application for Electrical Stringed Musical Instrument was granted. U.S. Patent No. 2,089,171.  


Patent of the Day: Skirt Protector

On this day in 1883 the patent application for Skirt Protector was granted. U.S. Patent No. 282,646.


Patent of the Day: Cathode Ray Tube

On this day in 1935 the patent application for Cathode Ray Tube was granted. U.S. Patent No. 2,010,712.


Patent of the Day: Hair Singer

On this day in 1890 the patent application for Hair Singer was granted. U.S. Patent No. 433,439.