Brown, III; Sanford M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Brown, III; Sanford M..The latest application filed is for "voice mail telephone answering device".
- Brown, III; Sanford M. - Carlsbad CA
- Brown, III; Sanford M. - Torrance CA
- Brown, III.; Sanford M. - Redondo Beach CA
| Patent | Date |
|---|---|
| Voice mail telephone answering device Grant 5,768,349 - Knuth , et al. June 16, 1 | 1998-06-16 |
| Method for system and message activation based on distinctive ringing Grant 5,577,104 - Knuth , et al. November 19, 1 | 1996-11-19 |
| Voice mail digital telephone answering device Grant 5,400,393 - Knuth , et al. March 21, 1 | 1995-03-21 |
| Secured data transmission and error recovery mechanism in cordless telephones Grant 5,073,932 - Yossifor , et al. December 17, 1 | 1991-12-17 |
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