Richardson, Jr.; Charles T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Richardson, Jr.; Charles T..The latest application filed is for "three-way call detection and response system".
- Richardson, Jr.; Charles T. - Norcross GA
- Richardson, Jr.; Charles T. - Gwinnett County GA
- Richardson, Jr.; Charles T. - Lawrenceville GA
| Patent | Date |
|---|---|
| Three-way call detection and response system Grant 5,883,945 - Richardson, Jr. , et al. March 16, 1 | 1999-03-16 |
| Three-way call detection and response system Grant 5,745,558 - Richardson, Jr. , et al. April 28, 1 | 1998-04-28 |
| Automated telecommunication peripheral system Grant 5,619,556 - Richardson, Jr. , et al. April 8, 1 | 1997-04-08 |
| Customized, billing-controlled call bridging system Grant 5,581,607 - Richardson, Jr. , et al. December 3, 1 | 1996-12-03 |
| Enhanced wide area audio response network Grant 5,487,103 - Richardson, Jr. , et al. January 23, 1 | 1996-01-23 |
| Customized, billing-controlled call bridging system Grant 5,355,403 - Richardson, Jr. , et al. October 11, 1 | 1994-10-11 |
| Automated telecommunication peripheral system Grant 5,335,266 - Richardson, Jr. , et al. August 2, 1 | 1994-08-02 |
| Enhanced wide area audio response network Grant 5,317,627 - Richardson, Jr. , et al. * May 31, 1 | 1994-05-31 |
| Enhanced wide area audio response network Grant 5,113,430 - Richardson, Jr. , et al. May 12, 1 | 1992-05-12 |
| Photo voltaic lighting for outdoor telephone booth Grant 4,441,143 - Richardson, Jr. April 3, 1 | 1984-04-03 |
| Vandal resistant public telephone Grant 4,254,308 - Blomeyer , et al. * March 3, 1 | 1981-03-03 |
| Post mounted public telephone Grant 4,151,380 - Blomeyer , et al. April 24, 1 | 1979-04-24 |
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