Individual holder
SPIETH ENRST K
DE·3 granted patents·120 citations·filing 1973–1978
Individually held — no corporate assignee on record.
Technology mixF41J3
Top patents by PatentIndex Score
3 records- 0187US4072313ATarget mechanismSPIETH ENRST K·Filed 1976·Granted Feb 7, 1978·86 cites·13 claims
- 0260US3937203ASpring type clay pigeon projecting deviceSPIETH ENRST K·Filed 1973·Granted Feb 10, 1976·23 cites·3 claims
- 0344US4195840ATarget changer for use on a shooting rangeSPIETH ENRST K·Filed 1978·Granted Apr 1, 1980·11 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →