Frank Johnson

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Biofilm reduction method
- Patent number 5,312,813
- Issue date May 17, 1994
- University Technologies International
- John W. F. Costerton
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Microbend optic sensor with fiber being sewn thereto in a sinuously...
- Patent number 5,134,281
- Issue date Jul 28, 1992
- E.L. Bryenton & Associates Inc.
- Earl L. Bryenton
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE