IP Library › Granted Patent US 4,530,238
Granted Patent Utility
US 4,530,238 · App. 06/509,485

High pressure seal assembly

Inventor: Lawrence A. Hayman
Patented Case View Patent ↗
Granted: Jul 23, 1985 Filed: Jun 30, 1983
Inventor
Lawrence A. Hayman
Assignee (at issue)
NL Industries, Inc.

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Quick Facts
Patent No.
US 4,530,238
App. No.
06/509,485
Filed
1983-06-30
Granted
1985-07-23
Kind
A