Stephen E. Holschbach

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Manitowoc, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fume hood with multifunctional sash lock
- Patent number 4,829,887
- Issue date May 16, 1989
- Hamilton Industries, Inc.
- Stephen E. Holschbach
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Fume hood incorporating high efficiency auxiliary air plenum
- Patent number 4,436,022
- Issue date Mar 13, 1984
- Hamilton Industries, Inc.
- Jon A. Zboralski
- B08 - CLEANING