Stephen B. Tidwell

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Carlsbad, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method for detecting unauthorized access to a portable e...
- Patent number 6,229,892
- Issue date May 8, 2001
- Qualcomm Inc.
- Paul Johnson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dual-band helical antenna
- Patent number 6,184,844
- Issue date Feb 6, 2001
- QUALCOMM Incorporated
- Daniel Filipovic
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push-to-talk-wireless telephone
- Patent number D424052
- Issue date May 2, 2000
- QUALCOMM Incorporated
- Kim Haile
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Multi-axis vertically corrected antenna for handheld wireless commu...
- Patent number 5,850,612
- Issue date Dec 15, 1998
- QUALCOMM Incorporated
- Eric C. Kulberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Vertically correcting antenna for portable telephone handsets
- Patent number 5,844,985
- Issue date Dec 1, 1998
- QUALCOMM Incorporated
- Eric C. Kulberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telescoping mast antenna for wireless devices having rotating mast
- Patent number 5,781,867
- Issue date Jul 14, 1998
- QUALCOMM Incorporated
- Stephen B. Tidwell
- H01 - BASIC ELECTRIC ELEMENTS