Frederick J. Glenn

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Arlington Heights, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Loop extender
- Patent number 4,122,312
- Issue date Oct 24, 1978
- Cook Electric Company
- Frederick J. Glenn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic number identification device
- Patent number 4,079,205
- Issue date Mar 14, 1978
- Cook Electric Company
- Frederick J. Glenn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE