Assignee
BLACKSTONE MFG CO INC
3 granted patents·80 citations·filing 1977–1979
Top patents by PatentIndex Score
3 records- 0186US4198070AStep assembly for automotive step bumpersBLACKSTONE MFG CO INC·Filed 1978·Granted Apr 15, 1980·46 cites·3 claims
- 0279US4140255ASpare wheel carrier for vehiclesBLACKSTONE MFG CO INC·Filed 1977·Granted Feb 20, 1979·30 cites·2 claims
- 0350USD256345STire carrier for a van type vehicleBLACKSTONE MFG CO INC·Filed 1979·Granted Aug 12, 1980·4 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →