Inventor
MARCINKEWICZ ROBERT J
US4 patents
Patents
4 patentsUS5023031AJun 11, 1991
Method of making a foam insulated water heater
WHITE BRADFORD CORP26 citations90
US5000893AMar 19, 1991
Method of making a foam insulated water heater
WHITE BRADFORD CORP14 citations71
US4904428AFeb 27, 1990
Method of making a foam insulated water heater
WHITE BRADFORD CORP9 citations71
US4808356AFeb 28, 1989
Method for insulating a water heater
WHITE BRADFORD CORP9 citations71