Patents by Inventor Jack P. Martin

Jack P. Martin 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 for manufacturing strip lead frames
    Patent number: 4055062
    Abstract: There is disclosed a process for producing strip material useful for making lead frames which includes preparing a ferritic stainless steel substrate as a thin strip and, before subjecting it to finish rolling, electroplating it with a first layer of copper and an outside layer of nickel or tin, after which the strip is precision rolled to final gauge. There is also disclosed the product from this process which is a precision rolled strip having a core of ferritic stainless steel and a continuous surface layer of nickel or tin with an intermediate layer of copper.
    Type: Grant
    Filed: October 7, 1976
    Date of Patent: October 25, 1977
    Assignee: Allegheny Ludlum Industries, Inc.
    Inventors: Jack P. Martin, Thomas H. Gray
  • Strip for lead frames
    Patent number: 3999955
    Abstract: There is disclosed a material useful for making lead frames which comprises a core of ferritic stainless steel electroplated with a first layer of copper and an outside layer of nickel or tin, after which the strip is precision rolled to final gauge.
    Type: Grant
    Filed: July 15, 1975
    Date of Patent: December 28, 1976
    Assignee: Allegheny Ludlum Industries, Inc.
    Inventors: Jack P. Martin, Thomas H. Gray