Robert M. Arn

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Toronto, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for scrambling and unscrambling data streams u...
- Patent number 4,535,355
- Issue date Aug 13, 1985
- Microdesign Limited
- Robert M. Arn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Incandescent, flat screen, video display
- Patent number 4,063,234
- Issue date Dec 13, 1977
- Robert M. Arn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS