Frederick A. Kinch Jr.

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Richardson, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-mode digital enciphering system
- Patent number 4,185,166
- Issue date Jan 22, 1980
- Datotek, Inc.
- Frederick A. Kinch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-mode digital enciphering system
- Patent number 4,169,212
- Issue date Sep 25, 1979
- Datotek, Inc.
- Frederick A. Kinch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-mode digital enciphering system with repeated priming sequences
- Patent number 4,166,922
- Issue date Sep 4, 1979
- Datotek, Inc.
- Frederick A. Kinch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-mode digital enciphering system
- Patent number 4,140,873
- Issue date Feb 20, 1979
- Datotek, Inc.
- Frederick A. Kinch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Multi-mode digital enciphering system
- Patent number 4,079,188
- Issue date Mar 14, 1978
- Datotek, Inc.
- Frederick A. Kinch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS