Ranney; Richard D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ranney; Richard D..The latest application filed is for "coded security system".
- Ranney; Richard D. - Hermosa Beach CA
| Patent | Date |
|---|---|
| Coded security system Grant 4,257,038 - Rounds , et al. March 17, 1 | 1981-03-17 |
| Test means for light responsive smoke detector Grant 4,099,178 - Ranney , et al. July 4, 1 | 1978-07-04 |
| Visual Signal Means For A Fire Detection Alarm Grant 3,552,350 - Ranney , et al. January 5, 1 | 1971-01-05 |
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