Harwick; Warren J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Harwick; Warren J..The latest application filed is for "plastic container inspection process".
- Harwick; Warren J. - Milwaukee WI
| Patent | Date |
|---|---|
| Plastic container inspection process Grant 4,858,767 - Myers , et al. August 22, 1 | 1989-08-22 |
| Accumulating conveyor with pneumatic control system Grant 4,383,605 - Harwick May 17, 1 | 1983-05-17 |
| Control system for accumulating conveyor Grant 4,264,004 - Harwick April 28, 1 | 1981-04-28 |
| Railway Car Speed Control Transportation System Grant 3,650,216 - Harwick , et al. March 21, 1 | 1972-03-21 |
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