Patents by Inventor Peter A. Landskroener

Peter A. Landskroener has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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