Filed: January 12, 1981Electrically Powered Carts for Industrial UseOwned by: JWI, INC.Serial Number: 73292706
Filed: October 12, 1988PLATE SHIFTER FOR FILTER PRESSOwned by: JWI, INC.Serial Number: 73757273
Filed: August 31, 1992traffic control modulesOwned by: JWI, INC.Serial Number: 74310696