Hardy; David H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hardy; David H..The latest application filed is for "precisely shaped abrasive composite".
- Hardy; David H. - New Richmond WI
| Patent | Date |
|---|---|
| Precisely shaped abrasive composite Grant 5,714,259 - Holmes , et al. February 3, 1 | 1998-02-03 |
| Precisely shaped particles and method of making the same Grant 5,628,952 - Holmes , et al. May 13, 1 | 1997-05-13 |
| Precisely shaped particles and method of making the same Grant 5,549,962 - Holmes , et al. August 27, 1 | 1996-08-27 |
| Abrasive articles comprising precisely shaped particles Grant 5,500,273 - Holmes , et al. March 19, 1 | 1996-03-19 |
| Method of making an abrasive article Grant 5,435,816 - Spurgeon , et al. July 25, 1 | 1995-07-25 |
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