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Douglas A. Kirkpatrick
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Laurel, MD, US
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last 30 patents
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Patent Grant
Gas discharge device having a field emitter array with microscopic...
Patent number
5,495,143
Issue date
Feb 27, 1996
Science Applications International Corporation
Michael Lengyel
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Field emission cathode of bio-molecular or semiconductor-metal eute...
Patent number
5,138,220
Issue date
Aug 11, 1992
Science Applications International Corporation
Douglas A. Kirkpatrick
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electron beam source formed with biologically derived tubule materials
Patent number
5,089,742
Issue date
Feb 18, 1992
The United States of America as represented by the Secretary of the Navy
Douglas A. Kirkpatrick
H01 - BASIC ELECTRIC ELEMENTS