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David T. DeRoo
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St. Joseph, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multiprocessor system for enabling shared access to a memory
Patent number
6,161,162
Issue date
Dec 12, 2000
NEC Corporation
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Protected address range in an electrically erasable programmable re...
Patent number
6,009,495
Issue date
Dec 28, 1999
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Programmable hardware timer including two programmable hardware dow...
Patent number
5,987,618
Issue date
Nov 16, 1999
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for warm boot from reset
Patent number
5,872,967
Issue date
Feb 16, 1999
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method to store privileged data within the primary CPU memory space
Patent number
5,867,655
Issue date
Feb 2, 1999
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus to allow a CPU to control the relocation of code blocks f...
Patent number
5,822,601
Issue date
Oct 13, 1998
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Programmable hardware counter
Patent number
5,809,290
Issue date
Sep 15, 1998
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Write once read only registers
Patent number
5,802,376
Issue date
Sep 1, 1998
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Write once read only registers
Patent number
5,764,995
Issue date
Jun 9, 1998
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Write inhibited registers
Patent number
5,752,063
Issue date
May 12, 1998
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Alternate I/O port access to standard register set
Patent number
5,742,841
Issue date
Apr 21, 1998
Packard Bell NEC
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method to prevent data loss in an electrically erasable read only m...
Patent number
5,596,713
Issue date
Jan 21, 1997
Zenith Data Systems Corporation
David T. DeRoo
G06 - COMPUTING CALCULATING COUNTING