Patents by Inventor Glenn Howard Curtis

Glenn Howard Curtis 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).

  • Tenter guide rail gap crossing mechanism
    Patent number: 4103403
    Abstract: This invention relates to tenter frames and more particularly to a tenter rail provided with a gap crossing mechanism whereby the tenter clip engaging surfaces of the tenter guide rails, at the rail joints, are smooth for the gentle passage of the tenter clips arranged in a chain.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: August 1, 1978
    Assignee: Marshall and Williams Company
    Inventors: Henry Parrillo, John Sherman Harrington, Glenn Howard Curtis
  • Tenter guide rail gap crossing mechanism
    Patent number: 4080692
    Abstract: This invention relates to tenter frames and more particularly to a tenter rail provided with a gap crossing mechanism whereby the tenter clip engaging surfaces of the tenter guide rails, at the rail joints, are smooth for the gentle passage of the tenter clips arranged in a chain.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: March 28, 1978
    Assignee: Marshall and Williams Company
    Inventors: Henry Parrillo, John Sherman Harrington, Glenn Howard Curtis
  • Tenter guide rail gap crossing mechanism
    Patent number: 4068356
    Abstract: This invention relates to tenter frames and more particularly to a tenter rail provided with a gap crossing mechanism whereby the tenter clip engaging surfaces of the tenter guide rails, at the rail joints, are smooth for the gentle passage of the tenter clips arranged in a chain.
    Type: Grant
    Filed: July 8, 1976
    Date of Patent: January 17, 1978
    Assignee: Marshall and Williams Company
    Inventors: Henry Parrillo, John Sherman Harrington, Glenn Howard Curtis