Patent of the Day: Defibrillator
On this day in 1966 the patent for Defibrillator was granted. U.S. Patent No. 2,236,239.
Patent of the Day: Phonograph or Speaking Machine
On this day in 1878, Thomas Edison was granted the patent for Phonograph or Speaking Machine (U.S. Patent No. 200,521). The object of this invention…
Patent of the Day: Design Patent for the Statue of Liberty
On this day in 1879 Auguste Bartholdi was granted the design patent for Liberty Enlightening the World, known now as the Statue of Liberty (USD…
Patent of the Day: Calculator
On this day in 1850 the patent for Calculator was granted. U.S. Patent No. 7,074.
Patent of the Day: Weed Mowing Hand Car
On this day in 1890 Patrick Nacey was granted the patent for Weed Mowing Hand Car. U.S. Patent No. 420,825.
Patent of the Day: Military Bicycle
On this day in 1896 Thomas V. Handloser was granted the patent for Military Bicycle. U.S. Patent No. 553,614.
Patent of the Day: Electric Lamp
On this day in 1880 Thomas Edison was granted the patent for his Electric Lamp. U.S. Patent No. 223,898.
Patent of the Day: Blow Testing Apparatus
On this day in 1904 the patent for Blow Testing Apparatus was granted. U.S. Patent No. 750,593. The object of this invention is to provide an…
Patent of the Day: Calling Device for Telephone-Exchanges
On this day in 1898 the patent for Calling Device for Telephone-Exchanges was granted. U.S. Patent No. 597,062.
Patent of the Day: Breech Mechanism for Guns
On this day in 1896 the patent for Breech Mechanism for Guns was granted. U. S. Patent No. 552,560.
Patent of the Day: Decoy Duck
On this day in 1903 the patent for Decoy Duck was granted. U.S. Patent No. 717,790.
Patent of the Day: Combined Toboggan and Sled
On this day in 1926, the patent for Combined Toboggan and Sled was granted. U.S. Patent No. 1,568,493.
Patent of the Day: Bill Holder
On this day in 1919 the patent for Bill Holder was granted. U.S. Patent No. 1,326,602.
Patent of the Day: Ironing Board
On this day in 1903 the patent for Ironing Board was granted. U.S. Patent No. 747,952.
Patent of the Day: Combined Tent and Wagon
On this day in 1886 the patent for Combined Tent and Wagon was granted. U.S. Patent No. 355,231.
Patent of the Day: Motor or Engine (Rotary-Engine Auto)
On this day in 1896 the patent for Motor or Engine was granted. U.S. Patent No. 573,174.
Patent of the Day: Smut Machine
On this day in 1841, the patent for Smut Machine was granted. U.S. Patent No. 2,390.
Patent of the Day: Sterilizing Apparatus
On this day in 1912 the patent for Sterilizing Apparatus was granted. U.S. Patent No. 1,046,842.
Patent of the Day: Denture Attaching Device
On this day in 1919 the patent for Denture Attaching Device was granted. U.S. Patent No. 1,324,476.
Patent of the Day: Tattooing Machine
On this day in 1891 the patent for Tattooing Machine was granted. U.S. Patent No. 464,801.