Patents by Inventor John Leland

John Leland 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).

  • Poly(arylene sulfide) printed circuit boards
    Patent number: 4532015
    Abstract: A printed circuit board is made of poly(arylene sulfide) board and a conductive metal deposited on the board by electroless plating. Adhesion between the poly(arylene sulfide) and the conductive metal is improved by allowing the plated poly(arylene sulfide) to age.
    Type: Grant
    Filed: August 20, 1982
    Date of Patent: July 30, 1985
    Assignee: Phillips Petroleum Company
    Inventors: Harold D. Boultinghouse, Paul J. Boeke, Robert E. Benefield, Jr., John Leland