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David DeWitt
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Poughkeepsie, NY, US
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Patents Grants
last 30 patents
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Patent Grant
Method for forming a transistor comprising layers of silicon dioxid...
Patent number
4,058,887
Issue date
Nov 22, 1977
IBM Corporation
David Dewitt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-volatile metal nitride oxide semiconductor device
Patent number
4,017,888
Issue date
Apr 12, 1977
International Business Machines Corporation
Kenneth Howard Christie
G11 - INFORMATION STORAGE
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Patent Grant
Field effect transistor structure for minimizing parasitic inversio...
Patent number
3,946,419
Issue date
Mar 23, 1976
International Business Machines Corporation
David DeWitt
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
METHOD, SYSTEM AND PROGRAM PRODUCT FOR IDENTIFYING REDUNDANT INVOICES
Publication number
20100250405
Publication date
Sep 30, 2010
International Business Machines Corporation
David V. DeWitt
G06 - COMPUTING CALCULATING COUNTING