McPherson; James N.
Patent Applications and Registrations
Patent applications and USPTO patent grants for McPherson; James N..The latest application filed is for "cooling networks for pcd bearing surfaces".
- McPherson; James N. - Orange CA
| Patent | Date |
|---|---|
| Cooling networks for PCD bearing surfaces Grant 4,789,251 - McPherson , et al. December 6, 1 | 1988-12-06 |
| PCD enhanced radial bearing Grant 4,764,036 - McPherson August 16, 1 | 1988-08-16 |
| Bearing structure for downhole motors Grant 4,720,199 - Geczy , et al. January 19, 1 | 1988-01-19 |
| Diamond bearing and manufacture thereof Grant 4,708,496 - McPherson November 24, 1 | 1987-11-24 |
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