IP Library › Granted Patent US 4,852,501
Granted Patent Utility
US 4,852,501 · App. 07/171,850

Adjustable rack of shelves

Inventors: Ralph Olson, Irwin Kulbersh
Patented Case View Patent ↗
Granted: Aug 1, 1989 Filed: Mar 22, 1988
Inventors
Ralph Olson
Irwin Kulbersh
Assignee (at issue)
AmCo LLC

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Quick Facts
Patent No.
US 4,852,501
App. No.
07/171,850
Filed
1988-03-22
Granted
1989-08-01
Kind
A