William D. Benning

Follow

Person

Hartland, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Support for tamper proof securing light fixture on suspended ceilin...
- Patent number 5,345,729
- Issue date Sep 13, 1994
- Wildeck, Inc.
- Douglas Prahst
- E04 - BUILDING
Information Patent Grant
Suspended security ceiling system
- Patent number 5,263,295
- Issue date Nov 23, 1993
- Wildeck, Inc.
- Ralph H. Laird
- E04 - BUILDING