Patent:US2441636

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Patent:US 2441636
Title:Sun compass
Date:18.05.1948
Place:Washington DC
Country:USA
Person:Joseph M.S. Kaufman Shelley Krasnow
Company:
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Link to the patent office:
(without guarantee)
 US2441636 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US2441636) (espacenet),  US2441636 (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=2441636.PN.&OS=PN/2441636&RS=PN/2441636) (uspto)


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