Jahn; Arnold
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jahn; Arnold.The latest application filed is for "system for collecting and utilizing solar energy".
- Jahn; Arnold - Fairmont MN
| Patent | Date |
|---|---|
| System for collecting and utilizing solar energy Grant 3,998,206 - Jahn December 21, 1 | 1976-12-21 |
| System for collecting and transferring usable solar heat Grant 3,905,352 - Jahn September 16, 1 | 1975-09-16 |
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