Sorensen; Robert K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sorensen; Robert K..The latest application filed is for "methods and apparatus for electrolytic treatment of water".
- Sorensen; Robert K. - Champlin MN
- Sorensen; Robert K. - Dallas TX
| Patent | Date |
|---|---|
| Methods And Apparatus For Electrolytic Treatment Of Water App 20080237060 - Hegel; Rudolph R. ; et al. | 2008-10-02 |
| Water treatment system App 20070284245 - Hegel; Rudolph R. ; et al. | 2007-12-13 |
| Hardening of selected areas of an earth boring rockbit Grant 4,660,444 - Sorensen , et al. April 28, 1 | 1987-04-28 |
| Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials Grant 4,105,263 - Sorensen , et al. August 8, 1 | 1978-08-08 |
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