Albert F. Hartung

Follow

Person

Woodland Hills, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for scrambling and unscrambling communication...
- Patent number 4,045,814
- Issue date Aug 30, 1977
- System Development Corporation
- Albert F. Hartung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and unscrambling communication...
- Patent number 4,024,576
- Issue date May 17, 1977
- System Development Corporation
- Albert F. Hartung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for scrambling and unscrambling communication...
- Patent number 4,019,201
- Issue date Apr 19, 1977
- System Development Corporation
- Albert F. Hartung
- H04 - ELECTRIC COMMUNICATION TECHNIQUE