VON ROLL AG Trademarks
ROLLMATIC
Filed: July 10, 1991
metal manhole access covers and gratings
Owned by: VON ROLL AG
Serial Number: 74183591
DUCPUR
Filed: February 26, 1992
pipes of pig iron and speroided graphite iron with interior coatings
Owned by: VON ROLL AG
Serial Number: 74249797