Patent of the Day: Mouse Trap


On this day in 1943, the patent application for Mouse Trap was granted. U.S. Patent No. 2,321,617.

Patent of the Day: Lung Protector


On this day in 1849, the patent application for Lung Protector was granted. U.S. Patent No. 6,529

Patent of the Day: Hair Spray Shield


On this day in 1964, the patent application for Hair Spray Shield was filed. U.S. Patent No. 3,317,921

Patent of the Day: Dog Whistle


On this day in 1941, the patent application for Dog Whistle was granted. U.S. Patent No. 2,245,484

Patent of the Day: Pretzel Making Machine


On this day in 1915, the patent application for Pretzel Making Machine was granted.  U.S. Patent No. 1,142,533

Patent of the Day: License Plate Holder


On this day in 1928, the patent application for License Plate Holder was granted.  U.S. Patent No. 1,672,333.

Patent of the Day: Vending Machine


On this day in 1925, the patent application for Vending Machine was filed.  U.S. Patent No. 1,689,039.

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.…