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.
