Inventor

MARSHALL RYAN SPENCER

US3 patents

Patents

3 patents

US6059352AMay 9, 2000

Door assembly for pick-up trucks

FORD GLOBAL TECH INC40 citations89

US5782523AJul 21, 1998

Reinforced door assembly for pick-up trucks

FORD GLOBAL TECH INC29 citations89

US5752737AMay 19, 1998

Door reinforcement system for pick-up trucks

FORD GLOBAL TECH INC34 citations89