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Patent:US1819066


Patent:US 1819066
Title:Overdraft numeral key locking mechanism
Date:18.08.1931
Place:Hillside, NJ und Newark, NJ
Country:USA
Person:Bernau, Frederick (P)
Company:Ellis (P) Adding Typewriter Comp.
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Keywords:
Link to the patent office:
(without guarantee)
 US1819066 (espacenet),  US1819066 (uspto)


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