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 Apparatus for Signaling and Communicating, called…
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 Cologne, Prussia. This patent was granted on…
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 Cambridge, Nebraska on December 3, 1929 as U.S. Patent…
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 Utilizing Television Surveillance was invented by…
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 by Harvey Spencer on December 1, 1903 as U.S.…
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. Mason on November 30, 1858 as U.S. Patent No.…
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 Scan, was invented by Robert S. Ledley on…