Inventor
RING EDMUND J
US6 patents
⚠️ This page may combine multiple inventors who share the name “RING EDMUND J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
3 patentsUS5621571AApr 15, 1997
Integrated retroreflective electronic display
MINNESOTA MINING & MFG176 citations96
US5608391AMar 4, 1997
Electronic license plate architecture
MINNESOTA MINING & MFG91 citations94
US5602739AFeb 11, 1997
Vehicle tracking system incorporating traffic signal preemption
MINNESOTA MINING & MFG234 citations93
3M INNOVATIVE PROPERTIES CO
3 patentsUS7511601B2Mar 31, 2009
Radio frequency identification in document management
3M INNOVATIVE PROPERTIES CO45 citations91
US6943330B2Sep 13, 2005
Induction heating system with resonance detection
3M INNOVATIVE PROPERTIES CO22 citations90
US6943329B2Sep 13, 2005
Induction heating system for reduced switch stress
3M INNOVATIVE PROPERTIES CO0 citations50