Inventor

KOLTS SCOTT

US4 patents

Patents

4 patents

US9542852B2Jan 10, 2017

Mass transit safety notification system and device

STC INC34 citations91

US10029716B2Jul 24, 2018

Mass transit safety notification system and device

STC INC12 citations81

US11827257B2Nov 28, 2023

Mass transit safety notification system and device

STC INC2 citations70

US12162524B2Dec 10, 2024

Mass transit safety notification system and device

STC INC0 citations59