Individual holder
RENFRO JULIAN C
US·3 granted patents·169 citations·filing 1981–2003
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0188US4560033AMultifunction wheelchair handbrake especially adapted for ramp climbingRENFRO JULIAN C·Filed 1981·Granted Dec 24, 1985·143 cites·6 claims
- 0269US4437424APartially restrained arrangement for the mast and sail of a craft possessing inherent stabilityRENFRO JULIAN C·Filed 1983·Granted Mar 20, 1984·21 cites·21 claims
- 0351US6800036B2Golf swing position trainer teaching a golfer to swing a golf club correctlyRENFRO JULIAN C·Filed 2003·Granted Oct 5, 2004·5 cites·20 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →