Marsha E. Ferree

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
System for establishing and performing multiple conversations simul...
- Patent number 5,488,703
- Issue date Jan 30, 1996
- International Business Machines Corporation
- Marsha E. Ferree
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Full duplex conversation between transaction programs
- Patent number 5,051,892
- Issue date Sep 24, 1991
- International Business Machines Corp.
- Marsha E. Ferree
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of controlling limited resource sessions in a data communica...
- Patent number 4,972,437
- Issue date Nov 20, 1990
- International Business Machines Corporation
- Andrew P. Citron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE