David LeRoy Guertin

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Rochester, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Dynamically producing an effective impedance of an output driver wi...
- Patent number 6,600,347
- Issue date Jul 29, 2003
- International Business Machines Corporation
- John Michael Borkenhagen
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mixed voltage output driver with automatic impedance adjustment
- Patent number 6,239,617
- Issue date May 29, 2001
- International Business Machines Corporation
- David LeRoy Guertin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
VLSI performance compensation for off-chip drivers and clock genera...
- Patent number 4,939,389
- Issue date Jul 3, 1990
- International Business Machines Corporation
- Dennis T. Cox
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DYNAMICALLY PRODUCING AN EFFECTIVE IMPEDANCE OF AN OUTPUT DRIVER WI...
- Publication number 20030067327
- Publication date Apr 10, 2003
- International Business Machines Corporation
- John Michael Borkenhagen
- H03 - BASIC ELECTRONIC CIRCUITRY