William R. Biver

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety edge assembly for elevator doorways
- Patent number 5,394,961
- Issue date Mar 7, 1995
- Montgomery Elevator Company
- William R. Biver
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Incubator
- Patent number 5,061,448
- Issue date Oct 29, 1991
- Barnstead Thermolyne Corporation
- Stanley R. Mahe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL