Utility Patent #6543216
Heating device for external combustion enginePlaying pool with a bowling shoe
Why use a cue stick to shoot pool? Use a high platform bowling shoe for a challenge!All the patent tools you need are at your disposal, try My Patent Assets and research and patent with our free patent database.
Patent information and patent analysis tools are available for any patent, including less known patents such as the high-pressure water spray teeth cleaning device.MyPatentAssets Pricing
Provides information on the pricing of each pass (visitor, free, and paid) and what a visitor, a customer who signs up, and a paid customer receive in their pass. Options include the Patent Rank Badge, forward citations, downloadable PDFs, maintenance fees, assignment information, word clouds, advertisements, all USPTO granted patents, the ultimate patent data dashboard, and USPTO classification.Patent 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.