Patents by Inventor R. English

R. English 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).

  • Low-fuming fluxes
    Patent number: 3976515
    Abstract: Low-fuming fluxes are provided which contain up to about 18% by weight of a dust-free large-particle source of ammonium chloride.
    Type: Grant
    Filed: August 27, 1973
    Date of Patent: August 24, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Daniel R. English
  • Picture frame
    Patent number: D253507
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: November 27, 1979
    Inventor: Joseph R. English