John Simmons

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Chandlers Ford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Interactive enquiry system
- Patent number 4,186,438
- Issue date Jan 29, 1980
- International Business Machines Corporation
- Paul H. Benson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Protection of data processing system against unauthorized programs
- Patent number 4,183,085
- Issue date Jan 8, 1980
- International Business Machines Corporation
- David J. Roberts
- G06 - COMPUTING CALCULATING COUNTING