Patents by Inventor Harold T. Gruber

Harold T. Gruber 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).

  • Support assembly for suspended luminaire
    Patent number: D343253
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: January 11, 1994
    Assignee: Holophane Company, Inc.
    Inventors: Harold T. Gruber, Bonnie J. Brohard, William W. Belisle, Herbert A. Fouke
  • Suspended luminaire
    Patent number: D345432
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: March 22, 1994
    Assignee: Holophane Lighting, Inc.
    Inventors: Harold T. Gruber, Bonnie J. Brohard, William W. Belisle, Herbert A. Fouke
  • Suspended luminaire
    Patent number: D345433
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: March 22, 1994
    Assignee: Holophane Lighting, Inc.
    Inventors: Harold T. Gruber, Bonnie J. Brohard, William W. Belisle, Herbert A. Fouke
  • Suspended luminaire
    Patent number: D345434
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: March 22, 1994
    Assignee: Holophane Lighting, Inc.
    Inventors: Harold T. Gruber, Bonnie J. Brohard, William W. Belisle, Herbert A. Fouke
  • Suspended luminaire
    Patent number: D347486
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: May 31, 1994
    Assignee: Holophane Lighting, Inc.
    Inventors: Harold T. Gruber, Bonnie J. Brohard, William W. Belisle, Herbert A. Fouke
  • Suspended luminaire
    Patent number: D350622
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: September 13, 1994
    Assignee: Holophane Lighting, Inc.
    Inventors: Harold T. Gruber, Bonnie J. Brohard, William W. Belisle, Herbert A. Fouke