IP Library › Granted Patent US 4,846,262
Granted Patent Utility
US 4,846,262 · App. 07/249,223

Head closure apparatus for heat exchanger

Inventors: Harold R. Lawrance, John R. McCutchen
Patented Case View Patent ↗
Granted: Jul 11, 1989 Filed: Sep 22, 1988
Inventors
Harold R. Lawrance
John R. McCutchen
Assignee (at issue)
Connell Limited Partnership

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Quick Facts
Patent No.
US 4,846,262
App. No.
07/249,223
Filed
1988-09-22
Granted
1989-07-11
Kind
A