Assignee
PERMANENCE CORP
2 granted patents·233 citations·filing 1974–1977
Top patents by PatentIndex Score
2 records- 0198US4017480AHigh density composite structure of hard metallic material in a matrixPERMANENCE CORP·Filed 1974·Granted Apr 12, 1977·186 cites·4 claims
- 0293US4146080AComposite materials containing refractory metallic carbides and method of forming the samePERMANENCE CORP·Filed 1977·Granted Mar 27, 1979·47 cites·9 claims
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