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DELTA STAR ELECTRIC CO
DELTA STAR
Active Patents
0
Total Holdings
5
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2186922A
Counting control system
Expired / Lapsed
1934-07-23
1940-01-09
0
Details
US2132685A
Contact means
Expired / Lapsed
1934-06-04
1938-10-11
0
Details
US2068639A
Electrical rail bond
Expired / Lapsed
1930-05-03
1937-01-26
0
Details
US1979091A
Electrical distribution connecter
Expired / Lapsed
1930-07-23
1934-10-30
0
Details
US1877557A
Unit type multistage auxiliary switch
Expired / Lapsed
1930-12-08
1932-09-13
0
Details