Edwin C. Dunn

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Combining small records into a single record block for recording on...
- Patent number 5,384,669
- Issue date Jan 24, 1995
- International Business Machines Corporation
- Edwin C. Dunn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods for recording and reading data from a record member having...
- Patent number 5,335,328
- Issue date Aug 2, 1994
- International Business Machines Corporation
- Edwin C. Dunn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data processing systems having means for selectively combining reco...
- Patent number 5,274,772
- Issue date Dec 28, 1993
- International Business Machines Corporation
- Edwin C. Dunn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiple tape thickness, multiple recording format tape drive systems
- Patent number 5,245,485
- Issue date Sep 14, 1993
- International Business Machines Corporation
- Edwin C. Dunn
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Combining small records into a single record block for recording on...
- Patent number 5,200,864
- Issue date Apr 6, 1993
- International Business Machines Corporation
- Edwin C. Dunn
- G06 - COMPUTING CALCULATING COUNTING