Patent:US1798610

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Patent:US 1798610
Title:Back space and column normalizing mechanism for card perforating machines
Date:31.03.1931
Place:Brooklyn und New York, NY
Country:USA
Person:Lasker, William Walter (P)
Company:Remington (P) Rand Inc
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Keywords:
Link to the patent office:
(without guarantee)
 US1798610 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US1798610) (espacenet),  US1798610 (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=1798610.PN.&OS=PN/1798610&RS=PN/1798610) (uspto)


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