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Donald E. Allen
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Gilbert, AZ, US
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last 30 patents
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Patent Grant
Differential input and/or differential output, transversely-coupled...
Patent number
5,793,266
Issue date
Aug 11, 1998
Motorola Inc.
Donald Eugene Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Acoustic wave device and manufacturing method
Patent number
5,771,556
Issue date
Jun 30, 1998
Motorola Inc.
Donald Eugene Allen
G01 - MEASURING TESTING
Information
Patent Grant
Acoustic wave filter with double reflective gratings and method for...
Patent number
5,760,664
Issue date
Jun 2, 1998
Motorola Inc.
Donald Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Saw filter device for radio tranceiver utilizing different coupling...
Patent number
5,726,610
Issue date
Mar 10, 1998
Motorola Inc.
Donald Eugene Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Acoustic wave device manufacturing method
Patent number
5,701,645
Issue date
Dec 30, 1997
Motorola, Inc.
Donald Eugene Allen
G01 - MEASURING TESTING
Information
Patent Grant
Filter
Patent number
5,632,909
Issue date
May 27, 1997
Motorola, Inc.
Donald E. Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Surface acoustic wave filter and method
Patent number
5,463,361
Issue date
Oct 31, 1995
Motorola, Inc.
Donald E. Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Spatially varying multiple electrode acoustic wave filter and metho...
Patent number
5,309,126
Issue date
May 3, 1994
Motorola, Inc.
Donald E. Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of fabricating air supported crossovers
Patent number
4,601,915
Issue date
Jul 22, 1986
Motorola, Inc.
Donald E. Allen
H03 - BASIC ELECTRONIC CIRCUITRY