Inventor

VAN TUYL DAVID JOHAN

CA2 patents

Patents

2 patents

US7146345B2Dec 5, 2006

Parking barrier with accident event logging and self-diagnostic control system

WEIK III MARTIN HERMAN50 citations92

US7509991B2Mar 31, 2009

Parking barrier with accident event logging and self-diagnostic control system

WEIK III MARTIN HERMAN12 citations80