Patents Assigned to John Dusenbery Company, Inc.
  • Vacuum roller for transporting a web
    Patent number: 4277010
    Abstract: A drive roller and roller system for positive transport of a web, which system utilizes a vacuum for drawing the web against a selected portion of the roller, thereby to control the linear speed and the tension of the web.
    Type: Grant
    Filed: April 10, 1980
    Date of Patent: July 7, 1981
    Assignee: John Dusenbery Company, Inc.
    Inventors: Peter A. Landskroener, John F. Dusenbery, Roger W. Young
  • Cutting knife for winding machines
    Patent number: 4099435
    Abstract: A cutting knife assembly for severing a strip of material after it has been wound on a core and the winding operation is to be continued on a new core.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: July 11, 1978
    Assignee: John Dusenbery Company, Inc.
    Inventor: Roger W. Young