Patents by Inventor Howard McIlvain

Howard McIlvain 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).

  • Bottle
    Patent number: D415689
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: October 26, 1999
    Assignee: Ashland Inc.
    Inventors: John K. Voight, Sam Mitchell, Steven A. Kirchner, Doug Zalla, Larry A. Schrock, Ares Marasligiller, Richard S. Barrack, Howard McIlvain, Claudia S. Gladstone
  • Bottle
    Patent number: D416803
    Type: Grant
    Filed: August 27, 1998
    Date of Patent: November 23, 1999
    Assignee: Ashland Inc.
    Inventors: John K. Voight, Sam Mitchell, Steven A. Kirchner, Doug Zalla, Larry A. Schrock, Ares Marasligiller, Richard S. Barrack, Howard McIlvain, Claudia S. Gladstone