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Robert D. Lithgow
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Schaumburg, IL, US
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last 30 patents
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Patent Grant
Adjustable off-center coaxial coupler
Patent number
6,320,477
Issue date
Nov 20, 2001
Motorola, Inc.
Robert D. Lithgow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming a dielectric and superconductor resonant structure
Patent number
6,083,883
Issue date
Jul 4, 2000
Illinois Superconductor Corporation
Robert D. Lithgow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electromagnetic resonant filter
Patent number
5,919,736
Issue date
Jul 6, 1999
Robert D. Lithgow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electromagnetic resonator comprised of annular resonant bodies disp...
Patent number
5,629,266
Issue date
May 13, 1997
Lucent Technologies Inc.
Robert D. Lithgow
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electromagnetic resonant filter comprising cylindrically curved spl...
Patent number
5,616,540
Issue date
Apr 1, 1997
Illinois Superconductor Corporation
Robert D. Lithgow
H01 - BASIC ELECTRIC ELEMENTS