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Patent applications and USPTO patent grants for Sanderford, Jr.; Hugh B..The latest application filed is for "secure fire/security/sensor transmitter system".
Patent | Date |
---|---|
Secure fire/security/sensor transmitter system Grant 5,408,217 - Sanderford, Jr. April 18, 1 | 1995-04-18 |
Binary phase shift keying modulation system and/or frequency multiplier Grant 5,265,120 - Sanderford, Jr. * November 23, 1 | 1993-11-23 |
Electronic lock with secure backdoor access Grant 4,684,945 - Sanderford, Jr. August 4, 1 | 1987-08-04 |
Security device simulating currency pack or the like Grant 4,604,607 - Sanderford, Jr. , et al. August 5, 1 | 1986-08-05 |
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