Patents by Inventor Hugh F. Cole

Hugh F. Cole 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).

  • Water soluble rosin flux
    Patent number: 4290824
    Abstract: A rosin flux with a water soluble rosin derivative replacing the rosin of otherwise a typical rosin flux such that residues of solder flux be completely removable with either a water based or solvent based cleaning substance.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: September 22, 1981
    Assignee: Cobar Resources, Inc.
    Inventor: Hugh F. Cole