Ruddy; Brian L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ruddy; Brian L..The latest application filed is for "piston and piston ring assemblies".
- Ruddy; Brian L. - Rugby GB2
- Ruddy; Brian L. - Wetherby GB2
| Patent | Date |
|---|---|
| Piston and piston ring assemblies Grant 4,669,369 - Holt , et al. June 2, 1 | 1987-06-02 |
| Treatment of pistons Grant 4,664,021 - Ruddy May 12, 1 | 1987-05-12 |
| Non-metallic piston rings with controlled expansion pressure Grant 4,629,200 - Ruddy December 16, 1 | 1986-12-16 |
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