IP Library › Granted Patent US 4,678,620
Granted Patent Utility
US 4,678,620 · App. 06/633,812

Hatch assembly

Inventors: James R. Marshall, Roy T. Hardin, Jr.
Patented Case View Patent ↗
Granted: Jul 7, 1987 Filed: Jul 23, 1984
Inventors
James R. Marshall
Roy T. Hardin, Jr.
Assignee (at issue)
Westinghouse Electric Company LLC

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Quick Facts
Patent No.
US 4,678,620
App. No.
06/633,812
Filed
1984-07-23
Granted
1987-07-07
Kind
A