Individual holder
POWEL STEPHEN S
US·6 granted patents·108 citations·filing 1985–1989
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
6 records- 0171US4901941AReusable winding tubePOWEL STEPHEN S·Filed 1989·Granted Feb 20, 1990·18 cites·9 claims
- 0270US4907758AComposite yarn carrierPOWEL STEPHEN S·Filed 1988·Granted Mar 13, 1990·18 cites·14 claims
- 0370US4593813AProtective container for assembled printed circuit boardsPOWEL STEPHEN S·Filed 1985·Granted Jun 10, 1986·31 cites·21 claims
- 0469US4919359AReusable high speed winding tubePOWEL STEPHEN S·Filed 1989·Granted Apr 24, 1990·17 cites·9 claims
- 0563US4936523AComposite yarn carrierPOWEL STEPHEN S·Filed 1989·Granted Jun 26, 1990·14 cites·12 claims
- 0653US4834314AReusable winding tubePOWEL STEPHEN S·Filed 1988·Granted May 30, 1989·10 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →