Patents by Inventor Ferdinand L. Bopp

Ferdinand L. Bopp 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).

  • Process of preparing pre-press proofs using pressure sensitive adhesive backings
    Patent number: 4329420
    Abstract: This disclosure relates to a method of protecting pre-press and pre-plate proofs in a non-costly manner by applying a cover sheet of hard thin clear plastic having a pressure sensitive backing. The cover sheet can be polyester, polyethylene, Mylar, etc.
    Type: Grant
    Filed: September 10, 1980
    Date of Patent: May 11, 1982
    Inventor: Ferdinand L. Bopp