David F. Huempfner

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Kewaunee, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Caster and swivel lock assembly
- Patent number 4,037,291
- Issue date Jul 26, 1977
- American Hospital Supply Corporation
- David F. Huempfner
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fume hood with removable enclosure panels
- Patent number 3,956,977
- Issue date May 18, 1976
- American Hospital Supply Corporation
- Michael Turko
- B08 - CLEANING