Prew; Stanley R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Prew; Stanley R..The latest application filed is for "screenless hammermill".
- Prew; Stanley R. - Williamsport PA
- Prew; Stanley R. - Montoursville PA
| Patent | Date |
|---|---|
| Screenless hammermill Grant 5,364,038 - Prew November 15, 1 | 1994-11-15 |
| Method for manufacturing a screw flight Grant 4,596,064 - Prew June 24, 1 | 1986-06-24 |
| Method and apparatus for mixing particulate material Grant 4,493,556 - Prew January 15, 1 | 1985-01-15 |
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