David C. Van Alstyne

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for photopyrolitically removing a contaminant
- Patent number 6,195,505
- Issue date Feb 27, 2001
- David C. Van Alstyne
- B08 - CLEANING
Information Patent Grant
System for photopyrolitically removing a contaminant
- Patent number 5,751,897
- Issue date May 12, 1998
- David C. Van Alstyne
- B08 - CLEANING
Information Patent Grant
Method for photopyrolitically removing a contaminant
- Patent number 5,656,096
- Issue date Aug 12, 1997
- Polygon Industries, Inc.
- David C. Van Alstyne
- B08 - CLEANING