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Matthew Petersen
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Scottsdale, AZ, US
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last 30 patents
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Patent Grant
Portable voice and data encryption module
Patent number
D434408
Issue date
Nov 28, 2000
Motorola, Inc.
Matthew L. Petersen
D14 - Recording, communication, or information retrieval equipment
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Patent Grant
Supplemental feature module for a telephone handset
Patent number
D390848
Issue date
Feb 17, 1998
Motorola, Inc.
Barbara Santee
D14 - Recording, communication, or information retrieval equipment