Glenn C. Knowlton

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Parts washer
- Patent number 5,265,633
- Issue date Nov 30, 1993
- Glenn C. Knowlton
- B08 - CLEANING
Information Patent Grant
Method and apparatus for applying liquid acid to a surface
- Patent number 4,957,579
- Issue date Sep 18, 1990
- Glenn C. Knowlton
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for applying liquid acid to a surface
- Patent number 4,834,803
- Issue date May 30, 1989
- Glenn C. Knowlton
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...