Patents by Inventor Gene K. Siller

Gene K. Siller 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).

  • Exit alarm lock
    Patent number: D425810
    Type: Grant
    Filed: May 13, 1999
    Date of Patent: May 30, 2000
    Assignee: Von Duprin, Inc.
    Inventors: Gene K. Siller, Daniel N. Nigro, Jr.
  • Cover for an exit alarm lock
    Patent number: D434339
    Type: Grant
    Filed: March 7, 2000
    Date of Patent: November 28, 2000
    Assignee: Von Duprin, Inc.
    Inventors: Gene K. Siller, Daniel N. Nigro, Jr.