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LOGAN CO Inc
LOGAN CO I
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US1808135A
Automatic vertical elevator
Expired / Lapsed
1929-11-20
1931-06-02
0
Details
US1808134A
Selective deflecting switch
Expired / Lapsed
1929-09-25
1931-06-02
0
Details