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AMERICAN PERFORATOR Co
AMERICAN P
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2330997A
Perforating machine
Expired / Lapsed
1941-08-06
1943-10-05
0
Details
US1394566A
Perforating-machine
Expired / Lapsed
1918-07-10
1921-10-25
0
Details