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CD-1 Patent

Posted On: 2013-06-22 18:40:55

Note the Patent application was filed Feb. 8, 1967 and approved Oct. 28, 1969.  Below are the illustrations.  A detailed written descripton can be found at:  http://www.google.com/patents/US3474872

patent1

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Patent2

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Last Modified On: 2014-03-16 14:11:27