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.
Patent of the Day: Apparatus for Signaling and Communication “Photophone”
On this day in 1880, the patent for Apparatus for Signaling and Communicating, called "Photophone" was granted. U.S. Patent No. 235,199. The…
Patent of the Day: Dress Protector
On this day in 1988 the patent for Dress Protector was granted. U.S. Patent No. 393,979. The Dress Protector was invented by Lebrecht Heumann, from…
Patent of the Day: Barrel Truck
On this day in 1929 the patent for Barrel Truck was granted. U.S. Patent No. 1,738,096. The Barrel Truck was invented by Perino B. Cole, from…
Patent of the Day: Home Security System Utilizing Television
On this day in 1969 the patent for Security System Utilizing Television Surveillance was granted. U.S. Patent No. 3,482,037. The Home Security System…
Patent of the Day: Baby Comforter (Pacifier)
On this day in 1903 the patent of the Baby Comforter was granted. U.S. Patent No. 745,920. The Baby Comforter, known today as pacifier, was invented…
Patent of the Day: Glass Jar (Mason Jar)
On this day in 1858 the patent for Glass Jar was granted. U.S. Patent No. 22,186. The Glass Jar, known today as Mason Jar, was invented by John L.…
Patent of the Day: Diagnostic X-Ray Systems (CT-Scan)
On this day in 1975 the patent for Diagnostic X-Ray Systems was granted. U.S. Patent No. 3,922,552. The Diagnostic X-Ray Systems, known today as a CT…