Jeffrey Peter Welch

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Libertyville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for locating a transmitter of a diffuse infrar...
- Patent number 5,903,373
- Issue date May 11, 1999
- Spectrix Corporation
- Jeffrey Peter Welch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for locating a transmitter of a diffuse infrar...
- Patent number 5,838,472
- Issue date Nov 17, 1998
- Spectrix Corporation
- Jeffrey Peter Welch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless diffuse infrared LAN system
- Patent number 5,724,168
- Issue date Mar 3, 1998
- Spectrix Corporation
- Ellen L. Oschmann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless diffuse infrared LAN transceiver
- Patent number D368260
- Issue date Mar 26, 1996
- Spectrix Corporation
- Ellen L. Oschmann
- D14 - Recording, communication, or information retrieval equipment