Individual holder
OSTERHOLM CHARLES D
US·3 granted patents·21 citations·filing 1989–2016
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0144US5076547AApparatus and method for collapsible handrailOSTERHOLM CHARLES D·Filed 1989·Granted Dec 31, 1991·21 cites·18 claims
- 0239US10159237B1Line dampenerOSTERHOLM CHARLES D·Filed 2016·Granted Dec 25, 2018·0 cites·2 claims
- 0338US10021865B1Trolling weightOSTERHOLM CHARLES D·Filed 2016·Granted Jul 17, 2018·0 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →