DIAMOND-ROLTRAN, LLC

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7946851 Alternating cage couplerExpiredMay 29, 09May 24, 11[H01R]
7549867 Rotating electrical transfer componentsExpiredNov 07, 06Jun 23, 09[H01R]
7163403 Rotating electrical transfer componentsExpiredJun 02, 04Jan 16, 07[H01R]
6767217 Rotating electrical transfer componentsExpiredMar 12, 02Jul 27, 04[H01R]
6582237 Rolling electrical transfer coupling improvementsExpiredApr 03, 02Jun 24, 03[H01R]

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