Patents by Inventor John P. Brosnahan

John P. Brosnahan 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).

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    Patent number: D503181
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: March 22, 2005
    Assignee: Kennametal Inc.
    Inventors: James Robert Kasperik, John P. Brosnahan
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    Patent number: D487756
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: March 23, 2004
    Assignee: Kennametal Inc.
    Inventors: James Robert Kasperik, John P. Brosnahan
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    Patent number: D487901
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: March 30, 2004
    Assignee: Kennametal Inc.
    Inventors: James Robert Kasperik, John P. Brosnahan
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    Patent number: D488175
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: April 6, 2004
    Assignee: Kennametal Inc.
    Inventors: James Robert Kasperik, John P. Brosnahan
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    Patent number: D488491
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: April 13, 2004
    Assignee: Kennametal Inc.
    Inventors: James Robert Kasperik, John P. Brosnahan
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    Patent number: D488492
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: April 13, 2004
    Assignee: Kennametal Inc.
    Inventors: James Robert Kasperik, John P. Brosnahan
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    Patent number: D426561
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: June 13, 2000
    Assignee: Kennametal Inc.
    Inventors: John P. Brosnahan, James R. Kasperik