Individual holder
CURTIS JOHN S
2 granted patents·1 pending application·33 citations·filing 1974–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0167US3977703AMultiple duct underground conduitCURTIS JOHN S·Filed 1974·Granted Aug 31, 1976·20 cites·27 claims
- 0259US4156588APlastic pipe bending jigCURTIS JOHN S·Filed 1977·Granted May 29, 1979·13 cites·14 claims
- 0338US2008089440A1Cancelling distortionCURTIS JOHN S·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →