Richard L. Wendt

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fume hood having a driven sash and a travel interference system for...
- Patent number 6,024,638
- Issue date Feb 15, 2000
- Robert L. Berlin
- B08 - CLEANING
Information Patent Grant
Down draft work table
- Patent number 5,303,659
- Issue date Apr 19, 1994
- Zeigler Enterprises
- Robert M. Berlin
- B08 - CLEANING
Information Patent Grant
Trimodal piston driven sash operator
- Patent number 4,774,878
- Issue date Oct 4, 1988
- Tri City Laboratory Specialists, Inc.
- Robert M. Berlin
- B08 - CLEANING
Information Patent Grant
Fume hood sash operator
- Patent number 4,502,375
- Issue date Mar 5, 1985
- Tri City Laboratory Specialists, Inc.
- Alan L. Hignite
- B08 - CLEANING