TELE DIGITAL DEVELOPMENT, INC

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ST. PAUL, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Cellular telephone management system
- Patent number 5,749,052
- Issue date May 5, 1998
- Tele Digital Development, Inc.
- Stephen E. Hidem
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Emergency mobile telephone
- Patent number 5,742,666
- Issue date Apr 21, 1998
- Tele Digital Development, Inc.
- Martin Alpert
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for assisting data bus transfer protocol
- Patent number 5,687,314
- Issue date Nov 11, 1997
- Tele Digital Development, Inc.
- Fazil I. Osman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switching circuit for simultaneous rapid battery charge and system...
- Patent number 5,418,445
- Issue date May 23, 1995
- Tele Digital Development, Inc.
- Martin Alpert
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74444523 - TELE DIGITAL
- Serial number 74444523
- Filing date Oct 6, 1993
- Controller Acquisition Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments