IP Library Granted Patent US 5,934,712
Granted Patent Utility
US 5,934,712 · App. 08/800,318

Double containment pipe mechanical joints

Inventors: Ralph Friedrich, Paul Kubat
Patented Case View Patent ↗
Granted: Aug 10, 1999 Filed: Feb 14, 1997
Inventors
Ralph Friedrich
Paul Kubat
Assignee (at issue)
AMERON INTERNATIONAL CORPORATION

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Quick Facts
Patent No.
US 5,934,712
App. No.
08/800,318
Filed
1997-02-14
Granted
1999-08-10
Kind
A