Shaffer; William Allen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shaffer; William Allen.The latest application filed is for "end mill grooved chip breaker flute".
- Shaffer; William Allen - Scottdale PA
| Patent | Date |
|---|---|
| Drill bit configuration Grant 8,292,555 - Shaffer October 23, 2 | 2012-10-23 |
| End mill grooved chip breaker flute App 20110085862 - Shaffer; William Allen | 2011-04-14 |
| Drill bit configuration App 20100028098 - Shaffer; William Allen | 2010-02-04 |
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