William Ryczek

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Glendora, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Environmentally resistant germicidal system
- Patent number 7,354,175
- Issue date Apr 8, 2008
- Steril-Aire, Inc.
- Robert Culbert
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Environmentally resistant germicidal system
- Patent number 6,997,578
- Issue date Feb 14, 2006
- Steril-Aire, Inc.
- Robert Culbert
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Step lighting for theaters and the like
- Patent number 6,213,622
- Issue date Apr 10, 2001
- Shimada Enterprises, Inc.
- Takehiko Shimada
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Environmentally resistant germicidal system
- Publication number 20060126335
- Publication date Jun 15, 2006
- Robert Culbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Environmentally resistant germicidal system
- Publication number 20040223329
- Publication date Nov 11, 2004
- Robert Culbert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE