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Patent:US2996241


Patent:US 2996241
Title:Resettable counter wheel units
Date:15.08.1961
Place:Waukesha County, WI
Country:USA
Person:Walter W. Hoffmann
Company:Durant (P) Mfg. Co.
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Link to the patent office:
(without guarantee)
 US2996241 (espacenet),  US2996241 (uspto)


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