IP Library Granted Patent US 4,140,338
Granted Patent Utility
US 4,140,338 · App. 05/800,772

High temperature expansion joint

Inventors: John Kazmierski, Jr., Craig E. Thornton, John L. Ambrose, Frederick S. Dmuchowski
Patented Case View Patent ↗
Granted: Feb 20, 1979 Filed: May 26, 1977
Inventors
John Kazmierski, Jr.
Craig E. Thornton
John L. Ambrose
Frederick S. Dmuchowski
Assignee (at issue)
Johns Manville

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Quick Facts
Patent No.
US 4,140,338
App. No.
05/800,772
Filed
1977-05-26
Granted
1979-02-20
Kind
A