Patent for knife sharpener
Patent number 3,902,275 patented the invention for a knife sharpener. Search other utility patents for free with the ultimate patent dashboard.A Must have Armor with Rollers
This armor set cover the entire body and allows the user to "roll their way through" with wheels placed throughout the entire armor. It has also been featured in a Jackie Chan movie!USPTO patent search
Here you can search all US patents for free and gain a variety of information through this patent database.Patent Search by number
Easily access free patent information, as well as additional paid-for information, in the ultimate patent data dashboard by searching by the patent number! This is a patent for a: SubmarinePatent for record carrier
One of the patents from Phillips in the patenting of Blu Ray discs is patent number 5,732,065. This patented an optical information carrier with different density layers.