William R. Weissman

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North Hollywood, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Oral irrigating apparatus and method for selectively mixing and dis...
- Patent number 5,564,629
- Issue date Oct 15, 1996
- Weissman; William R.
- William R. Weissman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Mixing apparatus for fluids operative from a pressurized liquid 1 s...
- Patent number 5,556,001
- Issue date Sep 17, 1996
- William R. Weissman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Oral irrigation apparatus and method operable from a pressurized wa...
- Patent number 5,511,693
- Issue date Apr 30, 1996
- Weissman; William R.
- William R. Weissman
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE