Individual holder
BLACK CHESTER A
3 granted patents·114 citations·filing 1975–1976
Individually held — no corporate assignee on record.
Technology mixB62D3
Top patents by PatentIndex Score
3 records- 0187US4068905ADetachable road protecting device for tracked vehiclesBLACK CHESTER A·Filed 1975·Granted Jan 17, 1978·50 cites·3 claims
- 0286US4109971ADetachable road protecting devices for tracked vehiclesBLACK CHESTER A·Filed 1976·Granted Aug 29, 1978·49 cites·20 claims
- 0357US4027925ADetachable road protecting device for tracked vehiclesBLACK CHESTER A·Filed 1975·Granted Jun 7, 1977·15 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →