DELTA STAR ELECTRIC CO

DELTA STAR

Active Patents

Total Holdings

Patent Holdings

Patent No.	Title	Status	Filing Date	Grant Date	Actions
US2186922A	Counting control system	Expired / Lapsed	1934-07-23	1940-01-09	Details
US2132685A	Contact means	Expired / Lapsed	1934-06-04	1938-10-11	Details
US2068639A	Electrical rail bond	Expired / Lapsed	1930-05-03	1937-01-26	Details