Patents Assigned to Bartell Industries Inc.
  • Grinding machine for removing markings from paved surfaces and grinder for the same
    Patent number: 5890772
    Abstract: A grinding machine to remove markings such as painted lines from a paved surface includes a wheeled carriage to be moved over the paved surface. A grinder is positioned beneath the carriage to contact and grind the paved surface. A suspension acts between the carriage and the grinder to allow the grinder to follow the profile of the paved surface as the grinding machine is moved thereover. A drive is supported by the carriage to actuate the grinder.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: April 6, 1999
    Assignee: Bartell Industries Inc.
    Inventor: Michael Mravyan