Robert P. Fletcher

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Poughkeepsie, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Cache sharing control in a multiprocessor
- Patent number 4,484,267
- Issue date Nov 20, 1984
- International Business Machines Corporation
- Robert P. Fletcher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Second level cache replacement method and apparatus
- Patent number 4,464,712
- Issue date Aug 7, 1984
- International Business Machines Corporation
- Robert P. Fletcher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiprocessor cache replacement under task control
- Patent number 4,463,420
- Issue date Jul 31, 1984
- International Business Machines Corporation
- Robert P. Fletcher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiprocessing system including a shared cache
- Patent number 4,445,174
- Issue date Apr 24, 1984
- International Business Machines Corporation
- Robert P. Fletcher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Three level memory hierarchy using write and share flags
- Patent number 4,442,487
- Issue date Apr 10, 1984
- International Business Machines Corporation
- Robert P. Fletcher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Page controlled cache directory addressing
- Patent number 4,441,155
- Issue date Apr 3, 1984
- International Business Machines Corporation
- Robert P. Fletcher
- G06 - COMPUTING CALCULATING COUNTING