Ronald S. Jahr

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Naperville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Telephone-switched network, automatic meter-reading system based up...
- Patent number 5,128,988
- Issue date Jul 7, 1992
- Ameritech Services, Inc.
- Thomas H. Cowell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Utility usage data and event data acquisition system
- Patent number 4,707,852
- Issue date Nov 17, 1987
- Systems and Support, Incorporated
- Ronald S. Jahr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Utility usage data and event data acquisition system
- Patent number 4,504,831
- Issue date Mar 12, 1985
- Systems and Support, Incorporated
- Ronald S. Jahr
- H04 - ELECTRIC COMMUNICATION TECHNIQUE