Patent of the Day: Exercise Escalator
On this day in 1970, the patent for Exercise Escalator was granted. U.S. Patent No. 3,497,215.
Patent of the Day: Sketching Outfit
On this day in 1904 Andrew Randall Cobb was granted the patent for Sketching Outfit, U.S. Patent No. 752,757.
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 is to record in permanent characters the human…
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 11,023). This iconic statue was created as a…
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 apparatus for testing the punching or hitting power of…
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.