Lorenzen; Walter C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lorenzen; Walter C..The latest application filed is for "automatic chemical dispenser".
- Lorenzen; Walter C. - Avalon Catalina Island
- Lorenzen; Walter C. - Hacienda Heights CA
| Patent | Date |
|---|---|
| Automatic chemical dispenser Grant 5,019,250 - Lorenzen May 28, 1 | 1991-05-28 |
| Multiple Solutes Additive Apparatus Grant 3,710,817 - Lorenzen January 16, 1 | 1973-01-16 |
| Soluble Granule Feeders Grant 3,626,972 - Lorenzen December 14, 1 | 1971-12-14 |
| Automatic Chlorinators For Swimming Pools Grant 3,595,395 - Lorenzen July 27, 1 | 1971-07-27 |
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