Patent:US2698716

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Patent:US 2698716
Title:Calculator
Date:04.01.1955
Place:Allentown, PA
Country:USA
Person:Gordon G. Singer
Company:
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2698716 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US2698716) (espacenet),  US2698716 (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=2698716.PN.&OS=PN/2698716&RS=PN/2698716) (uspto)


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