John E. DeRoo

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Marlborough, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for assuring cache coherency
- Patent number 6,295,581
- Issue date Sep 25, 2001
- ATI Technologies, Inc.
- John E. DeRoo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for encoding data with variable block lengths
- Patent number 5,574,448
- Issue date Nov 12, 1996
- Quantum Corporation
- Lih-Jyh Weng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Embedded servo banded format for magnetic disks for use with a data...
- Patent number 5,278,703
- Issue date Jan 11, 1994
- Digital Equipment Corp.
- Bernardo Rub
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for transferring data between a data bus and a...
- Patent number 5,182,752
- Issue date Jan 26, 1993
- Digital Equipment Corporation
- John E. DeRoo
- G06 - COMPUTING CALCULATING COUNTING