Diesel Engine Retardersk, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6394067 Apparatus and method to supply oil, and activate rocker brake for multi-cylinder retardingExpiredSep 18, 00May 28, 02[F02D]
4456529 Filter device for diesel enginesExpiredOct 21, 82Jun 26, 84[B01D]
4424128 Filter device for diesel enginesExpiredSep 13, 82Jan 03, 84[C10G]

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