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Clarence Zierhut
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Richardson, TX, US
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last 30 patents
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Patent Grant
Portable hand-held personal computer
Patent number
D332776
Issue date
Jan 26, 1993
ElectroCom Automation, Inc.
Edward J. Kelly
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Combined portable hand-held personal computer and keyboard cradle m...
Patent number
D332777
Issue date
Jan 26, 1993
ElectroCom Automation, Inc.
Edward J. Kelly
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Cradle mount for a portable data terminal
Patent number
D320980
Issue date
Oct 22, 1991
ElectroCom Automation, Inc.
Joseph P. Howard
D14 - Recording, communication, or information retrieval equipment