Oldfield; Benjamin D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Oldfield; Benjamin D..The latest application filed is for "phasing device for machine applications".
- Oldfield; Benjamin D. - Cheadle GB2
- Oldfield; Benjamin D. - Cheadle Hulme EN
| Patent | Date |
|---|---|
| Phasing device for machine applications Grant 4,601,266 - Oldfield , et al. July 22, 1 | 1986-07-22 |
| Sprag Clutches Grant 3,651,908 - Oldfield March 28, 1 | 1972-03-28 |
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