Individual holder
AHRENS CLAUDE W
4 granted patents·46 citations·filing 1974–1978
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0160US3993304AAmusement ride apparatusAHRENS CLAUDE W·Filed 1975·Granted Nov 23, 1976·19 cites·8 claims
- 0252US3971076APool for teaching swimming to a childAHRENS CLAUDE W·Filed 1974·Granted Jul 27, 1976·14 cites·1 claims
- 0348USD244044SAmusement ride apparatusAHRENS CLAUDE W·Filed 1975·Granted Apr 12, 1977·4 cites·1 claims
- 0442US4269144ASwine farrowing hut and method of farrowing pigs and maintaining a disease-free farrowing hutAHRENS CLAUDE W·Filed 1978·Granted May 26, 1981·9 cites·9 claims
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