David M. Pfeiffer

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Plano, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Image memory controller for controlling multiple memories and metho...
- Patent number 5,241,642
- Issue date Aug 31, 1993
- Pixel Semiconductor, Inc.
- John P. Norsworthy
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
High speed image processing computer with overlapping windows-div
- Patent number 5,146,592
- Issue date Sep 8, 1992
- Visual Information Technologies, Inc.
- David M. Pfeiffer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed image processing computer
- Patent number 5,129,060
- Issue date Jul 7, 1992
- Visual Information Technologies, Inc.
- David M. Pfeiffer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed image processing computer
- Patent number 5,109,348
- Issue date Apr 28, 1992
- Visual Information Technologies, Inc.
- David M. Pfeiffer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed image processing system using separate data processor an...
- Patent number 4,985,848
- Issue date Jan 15, 1991
- Visual Information Technologies, Inc.
- David M. Pfeiffer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High speed image processing computer with error correction and logging
- Patent number 4,955,024
- Issue date Sep 4, 1990
- Visual Information Technologies, Inc.
- David M. Pfeiffer
- G06 - COMPUTING CALCULATING COUNTING