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REGAN SAFETY DEVICES CO Inc
REGAN SAFE
Active Patents
0
Total Holdings
4
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US1930920A
Train control system
Expired / Lapsed
1926-10-01
1933-10-17
0
Details
US1783491A
Train-control system
Expired / Lapsed
1926-10-30
1930-12-02
0
Details
US1742617A
Train-control system
Expired / Lapsed
1927-02-17
1930-01-07
0
Details
US1686534A
Electric coupling
Expired / Lapsed
1924-03-13
1928-10-09
0
Details