Individual holder
HAMMACK CALVIN M
2 granted patents·236 citations·filing 1972–1974
Individually held — no corporate assignee on record.
Technology mixG01S2
Top patents by PatentIndex Score
2 records- 0191US3996590AMethod and apparatus for automatically detecting and tracking moving objects and similar applicationsHAMMACK CALVIN M·Filed 1972·Granted Dec 7, 1976·165 cites·62 claims
- 0287US3953856AMethod and apparatus for mapping and similar applicationsHAMMACK CALVIN M·Filed 1974·Granted Apr 27, 1976·71 cites·49 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →