IP Library › Granted Patent US 4,255,974
Granted Patent Utility
US 4,255,974 · App. 06/048,550

Adherent crack gauge

Inventors: Keith F. Dufrane, David K. Snediker
Patented Case View Patent ↗
Granted: Mar 17, 1981 Filed: Jun 14, 1979
Inventors
Keith F. Dufrane
David K. Snediker
Assignee (at issue)
Battelle Development Corporation

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Quick Facts
Patent No.
US 4,255,974
App. No.
06/048,550
Filed
1979-06-14
Granted
1981-03-17
Kind
A