Inventor

DURHAM RONNIE G

US3 patents

Patents

3 patents

US12587884B2Mar 24, 2026

Safety system and method

3M INNOVATIVE PROPERTIES COMPANY0 citations46

US11783694B2Oct 10, 2023

Determining responder closest to downed responder

3M INNOVATIVE PROPERTIES COMPANY0 citations43

US12380795B2Aug 5, 2025

Safety circuit, device and method

3M INNOVATIVE PROPERTIES COMPANY0 citations42