IP Library › Granted Patent US 3,934,905
Granted Patent Utility
US 3,934,905 · App. 05/431,192

Expansion joint

Inventor: Donald F. Lockard
Patented Case View Patent ↗
Granted: Jan 27, 1976 Filed: Jan 7, 1974
Inventor
Donald F. Lockard
Assignee (at issue)
Johns Manville

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Quick Facts
Patent No.
US 3,934,905
App. No.
05/431,192
Filed
1974-01-07
Granted
1976-01-27
Kind
A