Patents by Inventor Gregory J. Emmel

Gregory J. Emmel 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).

  • Toy fetal life sounds monitor
    Patent number: D328617
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: August 11, 1992
    Assignees: Kathy Neal Bethurum, Leland L. "Larry" Bethurum
    Inventors: Gregory J. Emmel, Michael E. Henley
  • Toy fetal life sounds monitor
    Patent number: D345183
    Type: Grant
    Filed: August 11, 1992
    Date of Patent: March 15, 1994
    Assignee: BLK, Inc.
    Inventors: Gregory J. Emmel, Micheal E. Henley, Clive L. Smith, Michael J. Vaught