IP Library Granted Patent US 4,719,664
Granted Patent Utility
US 4,719,664 · App. 06/931,714

Swivable caster

Inventor: Robert C. Berfield
Patented Case View Patent ↗
Granted: Jan 19, 1988 Filed: Nov 17, 1986
Inventor
Robert C. Berfield
Assignee (at issue)
SHOP VAC CORPORATION

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Quick Facts
Patent No.
US 4,719,664
App. No.
06/931,714
Filed
1986-11-17
Granted
1988-01-19
Kind
A