Utility Patent #6543216
Heating device for external combustion enginePatent for toy airplane launcher
This patent was for the invention of a toy airplane launcher. Patent number 3,902,271 was patented in 1975 for this toy.Search through ALL USPTO patent databases for free with My Patent Assets.
Other free patent search providers often hide information in walls of text but the ultimate dashboard through My Patent Assets doesn't conceal any information, unlike patent 4,022,227.Free Patent Data for Patent #6,632,535
Provides valuable and useful information on the patent, method of forming antireflective coatings, in an easily accessible, high-quality, organized dashboard by searching by the patent number 6,632,535.Patent for interchangeable sandal
This patent created in 1975 patented the invention for sandals that had interchangeable elements.