Inventor
TIDWELL STEPHEN B
US4 patents
Patents
4 patentsUS5844985ADec 1, 1998
Vertically correcting antenna for portable telephone handsets
QUALCOMM INC35 citations91
US6184844B1Feb 6, 2001
Dual-band helical antenna
QUALCOMM INC52 citations89
US5850612ADec 15, 1998
Multi-axis vertically corrected antenna for handheld wireless communications devices
QUALCOMM INC48 citations89
US5781867AJul 14, 1998
Telescoping mast antenna for wireless devices having rotating mast
QUALCOMM INC13 citations70