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Parks Cramer Co

Parks Cram

Active Patents

0

Total Holdings

5

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2663500A	Humidifying system and apparatus	Expired / Lapsed	1951-07-21	1953-12-22	0	Details
US2524797A	Traveling cleaner for textile machines or the like	Expired / Lapsed	1947-12-12	1950-10-10	0	Details
US2204016A	Ventilating and humidifying system	Expired / Lapsed	1937-06-25	1940-06-11	0	Details
US2063874A	Traveling cleaner	Expired / Lapsed	1936-01-17	1936-12-08	0	Details
US1819987A	Thermostatic apparatus	Expired / Lapsed	1929-04-23	1931-08-18	0	Details