Patents Assigned to The Crowell Corp.
  • Patent number: 5156910
    Abstract: A paper sealing tape in which the paper is from about 40 to about 90 pound weight, one face of the paper has a slip coating, and the other face carries a layer of pressure-sensitive cement in which is embedded reinforcing fibers to give the tape a breaking strength about 100 or more pounds per two inch width.
    Type: Grant
    Filed: August 10, 1990
    Date of Patent: October 20, 1992
    Assignee: The Crowell Corp.
    Inventor: Lewis R. Raszewski