Patent:US2453932

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Patent:US 2453932
Title:Business machine
Date:16.11.1948
Place:Laverock-Hillcrest, PA
Country:USA
Person:Richard W. Pitman
Company:Underwood (P) Corp.
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Link to the patent office:
(without guarantee)
 US2453932 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US2453932) (espacenet),  US2453932 (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=2453932.PN.&OS=PN/2453932&RS=PN/2453932) (uspto)


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