Inventor
JOHNSON JEFFREY DOUGLAS
US6 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON JEFFREY DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JOHNSON JEFFREY DOUGLAS
3 patentsUS9135808B2Sep 15, 2015
Systems, devices and methods to communicate public safety information
JOHNSON JEFFREY DOUGLAS18 citations85
US7522053B2Apr 21, 2009
Method and apparatus for preventing luggage mishandling in public transportation systems
JOHNSON JEFFREY DOUGLAS17 citations79
US9913121B2Mar 6, 2018
Systems, devices and methods to communicate public safety information
JOHNSON JEFFREY DOUGLAS3 citations66