Johnson; Louis Wein
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Louis Wein.The latest application filed is for "vertical shaft impactor with suspended impeller".
- Johnson; Louis Wein - Eugene OR
| Patent | Date |
|---|---|
| Vertical shaft impactor with suspended impeller Grant 7,077,348 - Johnson , et al. July 18, 2 | 2006-07-18 |
| Gyratory crusher with hydrostatic bearings Grant 7,048,214 - Johnson , et al. May 23, 2 | 2006-05-23 |
| Vertical shaft impactor with suspended impeller App 20050017110 - Johnson, Louis Wein ; et al. | 2005-01-27 |
| Gyratory crusher with hydrostatic bearings App 20040035967 - Johnson, Louis Wein ; et al. | 2004-02-26 |
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