Patents by Inventor Lawrence Wojnicz

Lawrence Wojnicz 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).

  • Processes for producing articles with stress-free slit edges
    Publication number: 20030000609
    Abstract: Processes for producing articles with stress-free edges which comprise slitting a copper or copper alloy sheet to provide strips of the copper material, heating the strips in a furnace at a temperature of 200-250° C. under a protective atmosphere, and cooling the strips to room temperature, the strips so produced being useful to make stamped articles.
    Type: Application
    Filed: August 29, 2002
    Publication date: January 2, 2003
    Inventors: Anders Kamf, Lawrence Wojnicz
  • Processes for producing articles with stress-free slit edges
    Patent number: 6464809
    Abstract: Processes for producing articles with stress-free edges which comprise slitting a copper or copper alloy sheet to provide strips of the copper material, heating the strips in a furnace at a temperature of 200-250° C. under a protective atmosphere, and cooling the strips to room temperature, the strips so produced being useful to make stamped articles.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: October 15, 2002
    Assignee: Outokumpu Oyj
    Inventors: Anders Kamf, Lawrence Wojnicz
  • PROCESSES FOR PRODUCING ARTICLES WITH STRESS-FREE SLIT EDGES
    Publication number: 20020088514
    Abstract: Processes for producing articles with stress-free edges which comprise slitting a copper or copper alloy sheet to provide strips of the copper material, heating the strips in a furnace at a temperature of 200-250° C. under a protective atmosphere, and cooling the strips to room temperature, the strips so produced being useful to make stamped articles.
    Type: Application
    Filed: November 30, 1998
    Publication date: July 11, 2002
    Inventors: ANDERS KAMF, LAWRENCE WOJNICZ