Patents by Inventor Towers Doggett

Towers Doggett 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).

  • Dry planographic plate
    Patent number: 3949142
    Abstract: A new dry planographic plate having a non-ink receptive silicone rubber background area that does not require a fountain solution to repel printing ink and process of producing this new plate comprising applying the photoresponsive sensitizer to a polymeric support film and bringing the sensitizer layer into intimate adhesive contact with an uncured silicone gum and thereafter curing the silicone gum.
    Type: Grant
    Filed: July 31, 1973
    Date of Patent: April 6, 1976
    Assignee: Scott Paper Company
    Inventor: Towers Doggett