Patent:US1512282

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Patent:US 1512282
Title:Automatic type and ribbon selecting mechanism and control for writing adding machines
Date:21.10.1924
Place:Harrisburg
Country:USA
Person:Foothorap, Harry Arthur (P)
Company:Elliott-Fisher (P) Comp.
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(without guarantee)
 US1512282 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1512282) (espacenet),  US1512282 (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=1512282.PN.&OS=PN/1512282&RS=PN/1512282) (uspto)


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