Donovan A. Bruce

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Glendale, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated services digital network module
- Patent number 4,866,703
- Issue date Sep 12, 1989
- AG Communication Systems Corporation
- James B. Black
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for generating PCM logarithmic values from linear values
- Patent number 4,845,499
- Issue date Jul 4, 1989
- AG Communication Systems Corporation
- Donovan A. Bruce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Additive PCM speaker circuit for a time shared ISDN conference arra...
- Patent number 4,831,618
- Issue date May 16, 1989
- A G Communication Systems Corporation
- Donovan A. Bruce
- H04 - ELECTRIC COMMUNICATION TECHNIQUE