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Patent applications and USPTO patent grants for Draeger; David J..The latest application filed is for "spark plugs and methods of making the same".
Patent | Date |
---|---|
Spark plugs and methods of making the same App 20070132354 - Scott; Barry L. ;   et al. | 2007-06-14 |
Anti-rotation deactivation valve lifter Grant 6,976,463 - Spath , et al. December 20, 2 | 2005-12-20 |
Anti-rotation deactivation valve lifter App 20050103300 - Spath, Mark J. ;   et al. | 2005-05-19 |
Anti-rotation deactivation valve lifter App 20050081811 - Spath, Mark J. ;   et al. | 2005-04-21 |
Spark plug copper core alloy Grant 6,677,698 - Labarge , et al. January 13, 2 | 2004-01-13 |
Spark plug copper core alloy App 20020074919 - Labarge, William J. ;   et al. | 2002-06-20 |
Capped wheel nut assembly Grant 4,764,070 - Baltzell , et al. August 16, 1 | 1988-08-16 |
Hammer Grant D274,496 - Grover , et al. July 3, 1 | 1984-07-03 |
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