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Hamilton Watch Co
Hamilton W
Active Patents
0
Total Holdings
2
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3613351A
Wristwatch with liquid crystal display
Expired / Lapsed
1969-05-13
1971-10-19
0
Details
US2379801A
Method of producing stepped wire
Expired / Lapsed
1943-05-03
1945-07-03
0
Details