AT&T Information Systems
Patent Applications and Registrations
Patent applications and USPTO patent grants for AT&T Information Systems.The latest application filed is for "keyboard".
- AT&T Information Systems - N/A
- AT&T Information Systems - Morristown NJ
- AT&T Information Systems - Holmdel NJ
- AT&T Information Systems - Murray Hill NJ
| Patent | Date |
|---|---|
| Keyboard Grant D307,748 - Cardona , et al. May 8, 1 | 1990-05-08 |
| Option slot filler board Grant 4,894,749 - Elko , et al. January 16, 1 | 1990-01-16 |
| Adjunct processor for providing computer facility access protection via call transfer Grant 4,876,717 - Barron , et al. October 24, 1 | 1989-10-24 |
| Adaptive expander for telephones Grant 4,847,897 - Means July 11, 1 | 1989-07-11 |
| Method and apparatus for controlled removal and insertion of circuit modules Grant 4,835,737 - Herrig , et al. May 30, 1 | 1989-05-30 |
| Telephone handset Grant D301,146 - Jackwicz , et al. May 16, 1 | 1989-05-16 |
| Communication system configuration detection apparatus and method Grant 4,821,179 - Jensen , et al. April 11, 1 | 1989-04-11 |
| Message signaling arrangement between a switching system and user terminals Grant 4,741,026 - Baxter , et al. April 26, 1 | 1988-04-26 |
| Connector assembly Grant 4,725,249 - Blackwood , et al. February 16, 1 | 1988-02-16 |
| Telephone speaker housing Grant D290,006 - Frost , et al. * May 26, 1 | 1987-05-26 |
| Communication system having multi-mode line selection buttons Grant 4,665,545 - Galensky , et al. May 12, 1 | 1987-05-12 |
| Housing for telephone base Grant D289,643 - Genaro , et al. May 5, 1 | 1987-05-05 |
| Telephone answering device Grant D289,155 - Brooks , et al. April 7, 1 | 1987-04-07 |
| Dynamic gain adjuster for an image scanner Grant 4,639,781 - Rucci , et al. January 27, 1 | 1987-01-27 |
| Induced flow heat exchanger Grant 4,628,992 - Kennedy December 16, 1 | 1986-12-16 |
| Communication system cross-connect field power adapter Grant 4,611,875 - Clarke , et al. September 16, 1 | 1986-09-16 |
| Data communication method and circuitry Grant 4,601,035 - Marzec , et al. July 15, 1 | 1986-07-15 |
| Combined power and telephone wall plate Grant D283,979 - Arnett , et al. May 27, 1 | 1986-05-27 |
| Housing for a telephone handset Grant D282,467 - Felix , et al. February 4, 1 | 1986-02-04 |
| Modular cross-connect panel Grant 4,536,052 - Baker , et al. August 20, 1 | 1985-08-20 |
| Conferencing system adaptive signal conditioner Grant 4,535,445 - Lane , et al. August 13, 1 | 1985-08-13 |
| Method and apparatus for coding a binary signal Grant 4,534,040 - Thapar August 6, 1 | 1985-08-06 |
| Frequency and phase comparator with slip detection capability Grant 4,516,250 - Grimes May 7, 1 | 1985-05-07 |
| Digital dual channel communication terminal Grant 4,512,017 - Nici , et al. April 16, 1 | 1985-04-16 |
| Differentially convolutional channel coding with expanded set of signalling alphabets Grant 4,483,012 - Wei November 13, 1 | 1984-11-13 |
| Tuning arrangement for interfacing credit card-like device to a reader system Grant 4,480,178 - Miller, II , et al. October 30, 1 | 1984-10-30 |
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