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.

Patent of the Day: Method of Making Potash (first patent granted in U.S.)


On this day in 1790 the patent application for Method of Making Potash was granted. U.S. Patent No. X000001.  

Patent of the Day: Whiskey Aging Device


On this day in 1940 the patent application for Whiskey Aging Device was granted. U.S. Patent No. 2,209,474.

Patent of the Day: Dental Breath Guard


On this day in 1914 the patent application for Dental Breath Guard was granted. U.S. Patent No. 302,629.  

Patent of the Day: Apparatus for Automatically Photographing Persons Moving Along a Confined Way


On this day in 1914 the patent application for Apparatus for Automatically Photographing Persons Moving Along a Confined Waywas granted. U.S. Patent…

Patent of the Day: Glass Working Machine


On this day in 1915 the patent application for Glass Working Machine was granted. U.S. Patent No. 1,147,892.

Patent of the Day: Sausage-Linking Machine


On this day in 1912 the patent application for Sausage-Linking Machine was granted. U.S. Patent No. 1,033,154.

Patent of the Day: Shoe (Salvatore Ferragamo)


On this day in 1952 the design patent application for Shoe was granted. U.S. Patent No. Des. 170,015.

Patent of the Day: Milk Vat


On this day in 1908 the patent application for Milk Vat was granted. U.S. Patent No. 893,883.