Patents by Inventor Carlton L. Cornell

Carlton L. Cornell 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).

  • Multi-channel mixer for a headphone control box
    Patent number: D318279
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: July 16, 1991
    Assignee: Whirlwind Music Distributors, Inc.
    Inventors: Michael A. Laiacona, James G. Kelsey, Carlton L. Cornell
  • Headphone control box
    Patent number: D330896
    Type: Grant
    Filed: September 8, 1988
    Date of Patent: November 10, 1992
    Assignee: Whirlwind Music Distributors, Inc.
    Inventors: Michael N. Laiacona, James G. Kelsey, Carlton L. Cornell
  • Combined portable microphone and speaker
    Patent number: D412705
    Type: Grant
    Filed: June 1, 1998
    Date of Patent: August 10, 1999
    Assignee: Whirlwind Music Distributors, Inc.
    Inventors: Michael N. Laiacona, James G. Kelsey, Carlton L. Cornell