Individual holder
DUFOUR KENNETH S
2 granted patents·31 citations·filing 1985–1985
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0167US4655378ADifferential pressure biased spool type valve controller for a pneumatic dual diaphragm control systemDUFOUR KENNETH S·Filed 1985·Granted Apr 7, 1987·21 cites·14 claims
- 0245US4666073ASpring biased spool type valve controller for a pneumatic dual diaphragm control systemDUFOUR KENNETH S·Filed 1985·Granted May 19, 1987·10 cites·10 claims
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