Patent of the Day: Baby Incubator and the Like

On this day in 1941, the patent application for Baby Incubator and the Like was granted.  U.S. Patent No. 2,243,999.  


Patent of the Day: Apparatus for Gathering Cranberries

On this day in 1885, the patent application for Apparatus for Gathering Cranberries was granted.  U.S. Patent No. 319,352.


Patent of the Day: Pocket Letter Opener

On this day in 1948, the patent application for Pocket Letter Opener was granted.  U.S. Patent No. 2,442,694.                      


Patent of the Day: Apparatus for Shaping Metal Objects by Means of Fluid Pressure

On this day in 1948, the patent application for Apparatus for Shaping Metal Objects by Means of Fluid Pressure was granted. U.S. Patent No. 650,755.                ...