Assignee
J B DEV CORP
US·3 granted patents·47 citations·filing 1978–1981
Top patents by PatentIndex Score
3 records- 0172US4435976AApparatus for measuring the hardness properties of materialsJ B DEV CORP·Filed 1981·Granted Mar 13, 1984·33 cites·12 claims
- 0237US4199976AHardness testing apparatusJ B DEV CORP·Filed 1978·Granted Apr 29, 1980·8 cites·9 claims
- 0334US4435975AApparatus and method for cutting a flat surface on a metallic memberJ B DEV CORP·Filed 1981·Granted Mar 13, 1984·6 cites·18 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →