Patents by Inventor Coleman David Berg

Coleman David Berg 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).

  • Patent number: 4067509
    Abstract: A roll paper towel dispenser having stations for primary and reserve rolls of paper toweling. Provision is made for automatic transfer of feed of the paper toweling from the primary roll and then from the reserve roll, the transfer mechanism being operative under the influence of decrease or termination in the tension of the web running from the primary roll to the feed mechanism. Provision is also made for convenient shifting of the roll from the reserve roll station to the primary roll station without the necessity of rethreading the paper web through the feed mechanism.
    Type: Grant
    Filed: September 25, 1975
    Date of Patent: January 10, 1978
    Assignee: Fort Howard Paper Company
    Inventors: Andrew Stuard Graham, Jr., Coleman David Berg