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Penn Controls Inc

Penn Contr

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3247887A	Spark ignition system	Expired / Lapsed	1962-09-04	1966-04-26	2	Details
US2814686A	Warp switch	Expired / Lapsed	1956-09-24	1957-11-26	0	Details
US2746471A	Pressure regulator and shut-off valve	Expired / Lapsed	1952-03-29	1956-05-22	0	Details
US2731230A	Valve structure	Expired / Lapsed	1952-01-12	1956-01-17	0	Details