John T. Roberson

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method of performing screen to screen blits in a colo...
- Patent number 6,061,069
- Issue date May 9, 2000
- International Business Machines Corporation
- Charles Ray Johns
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for use in a computerized imaging system to effic...
- Patent number 5,790,125
- Issue date Aug 4, 1998
- International Business Machines Corporation
- Thuy-Linh Tran Bui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Display graphics adapter for processing different pixel sizes in a...
- Patent number 5,724,560
- Issue date Mar 3, 1998
- International Business Machines Corporation
- Charles Ray Johns
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Two dimensional frame buffer memory interface system and method of...
- Patent number 5,696,947
- Issue date Dec 9, 1997
- International Business Machines Corporation
- Charles R. Johns
- G06 - COMPUTING CALCULATING COUNTING