Patent:US1819067

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Patent:US 1819067
Title:Overdraft and signal printing mechanism for calculating machines
Date:18.08.1931
Place:
Country:USA
Person:Bernau, Frederick (P)
Company:Ellis (P) Adding Typewriter Compan
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Link to the patent office:
(without guarantee)
 US1819067 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1819067) (espacenet),  US1819067 (http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/FPTO/srchnum.htm&r=1&f=G&l=50&s1=1819067.PN.&OS=PN/1819067&RS=PN/1819067) (uspto)


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