Patents by Inventor Greg J. Holderfield

Greg J. Holderfield 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).

  • Air cleaner
    Patent number: D500848
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: January 11, 2005
    Assignee: HoMedics, Inc.
    Inventors: Greg J. Holderfield, Randall P. Bell, Martin Rathgeber, Joey G. Nakayama, John DePiano, Jr.
  • Air cleaner
    Patent number: D501042
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: January 18, 2005
    Assignee: HoMedics, Inc.
    Inventors: Greg J. Holderfield, Randall P. Bell, Joey G. Nakayama
  • Brewer
    Patent number: D511922
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: November 29, 2005
    Assignee: Bunn-O-Matic Corporation
    Inventors: Randall P. Bell, Greg J. Holderfield, Gary F. Prokop
  • Air cleaner
    Patent number: D499476
    Type: Grant
    Filed: September 25, 2003
    Date of Patent: December 7, 2004
    Assignee: HoMedics, Inc.
    Inventors: Greg J. Holderfield, Randall P. Bell