Inventor

CLARKE JOHN CHRISTOPHER

GB3 patents

Patents

3 patents

US6894644B2May 17, 2005

Radio positioning systems

CAMBRIDGE POSITIONING SYS LTD62 citations94

US7508883B2Mar 24, 2009

Radio positioning systems

CAMBRIDGE POSITIONING SYS LTD38 citations90

US7260407B2Aug 21, 2007

Radio location system measurement unit

CAMBRIDGE POSITIONING SYS LTD43 citations90