IP Library › Granted Patent US 4,720,142
Granted Patent Utility
US 4,720,142 · App. 06/850,508

Variable back stop

Inventors: Russell T. Holdredge, Glenn A. Knoblock, Charles P. Roossien
Patented Case View Patent ↗
Granted: Jan 19, 1988 Filed: Apr 10, 1986
Inventors
Russell T. Holdredge
Glenn A. Knoblock
Charles P. Roossien
Assignee (at issue)
Steelcase Inc.

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Quick Facts
Patent No.
US 4,720,142
App. No.
06/850,508
Filed
1986-04-10
Granted
1988-01-19
Kind
A