Engle; Roger E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Engle; Roger E..The latest application filed is for "trouble alarm device for transmission system".
- Engle; Roger E. - Anaheim CA
| Patent | Date |
|---|---|
| Trouble Alarm Device For Transmission System Grant 3,745,529 - Engle July 10, 1 | 1973-07-10 |
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