Larson; Roy E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Larson; Roy E..The latest application filed is for "dual membrane process for removing organic compounds from the water".
- Larson; Roy E. - Edina MN
- Larson; Roy E. - St. Paul MN
| Patent | Date |
|---|---|
| Dual membrane process for removing organic compounds from the water Grant 5,158,681 - Freeman , et al. October 27, 1 | 1992-10-27 |
| Process for manufacturing ultrathin polymer membranes and products derived therefrom Grant 3,933,561 - Larson , et al. January 20, 1 | 1976-01-20 |
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