John M. Zdenek

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Riverside, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital signal detector and method
- Patent number 6,084,947
- Issue date Jul 4, 2000
- Rockwell International Corporation
- David W. Efron
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephonic console with prerecorded voice message and method
- Patent number 5,539,818
- Issue date Jul 23, 1996
- Rockwell Internaional Corporation
- John M. Zdenek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephonic console with programmable nonvolatile personality memory...
- Patent number 5,461,668
- Issue date Oct 24, 1995
- John M. Zdenek
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Keyboard with top mountable key cap assemblies and method
- Patent number 5,333,961
- Issue date Aug 2, 1994
- Rockwell International Corporation
- Andrew C. Capigatti
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated public safety answering point system
- Patent number 4,893,325
- Issue date Jan 9, 1990
- Rockwell International Corporation
- Andrew W. Pankonen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE