IP Library › Granted Patent US 5,072,846
Granted Patent Utility
US 5,072,846 · App. 07/327,669

Underground junction boxes

Inventor: Robert W. Portwood
Patented Case View Patent ↗
Granted: Dec 17, 1991 Filed: Mar 23, 1989
Inventor
Robert W. Portwood
Assignee (at issue)
Wedge International Limited

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Quick Facts
Patent No.
US 5,072,846
App. No.
07/327,669
Filed
1989-03-23
Granted
1991-12-17
Kind
A