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Patent applications and USPTO patent grants for Holley; John D..The latest application filed is for "underride protection bumper".
Patent | Date |
---|---|
Underride protection bumper Grant 5,507,546 - Holley April 16, 1 | 1996-04-16 |
Tie plate manipulator vehicle and method Grant 5,331,899 - Holley July 26, 1 | 1994-07-26 |
Anchor spreader apparatus and method Grant 4,903,611 - Holley February 27, 1 | 1990-02-27 |
Rail tie plate placing vehicle and method Grant 4,691,639 - Holley September 8, 1 | 1987-09-08 |
Railroad scrap pick up machine Grant 4,478,152 - Holley October 23, 1 | 1984-10-23 |
Vehicle for cleaning railway roadbeds of magnetic articles Grant 4,225,429 - Holley September 30, 1 | 1980-09-30 |
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