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Robert C. Elander
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Saugerties, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Commercial data masking
Patent number
5,323,464
Issue date
Jun 21, 1994
International Business Machines Corporation
Robert C. Elander
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic application for interbank verification
Patent number
4,500,750
Issue date
Feb 19, 1985
International Business Machines Corporation
Robert C. Elander
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic communication and file security using terminals
Patent number
4,386,234
Issue date
May 31, 1983
International Business Machines Corp.
William F. Ehrsam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic file security for single domain networks
Patent number
4,238,854
Issue date
Dec 9, 1980
International Business Machines Corporation
William F. Ehrsam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic communication security for single domain networks
Patent number
4,238,853
Issue date
Dec 9, 1980
International Business Machines Corporation
William F. Ehrsam
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cryptographic communication security for multiple domain networks
Patent number
4,227,253
Issue date
Oct 7, 1980
International Business Machines Corporation
William F. Ehrsam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cryptographic file security for multiple domain networks
Patent number
4,203,166
Issue date
May 13, 1980
International Business Machines Corporation
William F. Ehrsam
G06 - COMPUTING CALCULATING COUNTING