Willingham; Julian Bartow

Patent Applications and Registrations

Patent applications and USPTO patent grants for Willingham; Julian Bartow.The latest application filed is for "geolocation of cellular phone using supervisory audio tone transmitted from single base station".

Company Profile

0.7.2

Willingham; Julian Bartow - Melbourne FL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Geolocation of cellular phone using supervisory audio tone transmitted from single base station Grant 6,754,502 - Hildebrand , et al. June 22, 2	2004-06-22
Base station hand-off mechanism for cellular communication system Grant 6,708,032 - Willingham , et al. March 16, 2	2004-03-16
High capacity broadband cellular/PCS base station using a phased array antenna Grant 6,504,515 - Holt , et al. January 7, 2	2003-01-07
Selective modification of antenna directivity pattern to adaptively cancel co-channel interference in TDMA cellular communication system Grant 6,411,612 - Halford , et al. June 25, 2	2002-06-25
Geolocation of cellular phone using supervisory audio tone transmitted from single base station App 20010029185 - Hildebrand, Robert C. ; et al.	2001-10-11
Base station hand-off mechanism for cellular communication system App 20010027103 - Willingham, Julian Bartow ; et al.	2001-10-04
Geolocation of cellular phone using supervisory audio tone transmitted from single base station Grant 6,292,665 - Hildebrand , et al. September 18, 2	2001-09-18
Base station hand-off mechanism for cellular communication system Grant 6,240,290 - Willingham , et al. May 29, 2	2001-05-29
High capacity broadband cellular/PCS base station using a phased array antenna Grant 6,226,531 - Holt , et al. May 1, 2	2001-05-01

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