Patents Assigned to Dewtek Corporation
  • Lightweight parking curb
    Patent number: 4762438
    Abstract: A lightweight, hollow, plastic parking curb is set forth which includes a plurality of downwardly directed converging chambers to receive a pile or adhesive or combination of the two for affixing the curb to a parking surface. The pile may be provided on a fastener configured to be closely driven downwardly into the chamber. Alternatively, a bonding agent may be used to fill the chamber and base positioned recesses which communicate with the chambers.
    Type: Grant
    Filed: June 19, 1986
    Date of Patent: August 9, 1988
    Assignee: Dewtek Corporation
    Inventor: Kenneth M. Dewing