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Amsted Industries Inc
Amsted Ind
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3532228A
Electronic control and surveillance system for railway trai…
Expired / Lapsed
1969-04-25
1970-10-06
0
Details
US3159974A
Master cylinder
Expired / Lapsed
1963-03-25
1964-12-08
2
Details