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Patent applications and USPTO patent grants for Percy; Donald W..The latest application filed is for "vacuum filter belt apparatus".
Patent | Date |
---|---|
Vacuum filter belt apparatus Grant 5,599,363 - Percy February 4, 1 | 1997-02-04 |
Crankcase ventilator/evacuation system Grant 5,046,474 - Percy September 10, 1 | 1991-09-10 |
Multistage micronic in-line after-air filter Grant 4,704,143 - Percy November 3, 1 | 1987-11-03 |
Pre-lube device Grant 4,112,910 - Percy September 12, 1 | 1978-09-12 |
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