List of bong patents
From Wikipedia, the free encyclopedia
This is a list of bong patents, innovation in devices used to smoke cannabis and tobacco.
[edit] Innovations
- U.S. Patent 4,253,475 Water pipes or bongs
- U.S. Patent 4,148,326 Automatic loading bong
- U.S. Patent 4,111,213 Smoking pipe
- U.S. Patent 4,096,868 Smoking apparatus and methods of constructing and utilizing same
- U.S. Patent 4,031,905 Smoking tube with check valve
- U.S. Patent 4,031,904 Removable water tight base for bong
- U.S. Patent 3,863,646 Smoking Device
[edit] Designs
These include ornamental designs for smoking pipes, substantially as shown and described.
- U.S. Patent D443,950 Smoker's implement
- U.S. Patent D443,103 Smoker's implement
- U.S. Patent D442,327 Smoker's implement
- U.S. Patent D381,116 Tobacco water pipe
- U.S. Patent D368,325 Tobacco hookah
- U.S. Patent D358,227 Tobacco hookah
- U.S. Patent D261,439 Pipe
- U.S. Patent D261,438 Pipe
- U.S. Patent D256,506 Smoking device
- U.S. Patent D246,391 Water cooled smoking device
- U.S. Patent D244,473 Smoking pipe
