Patents by Inventor John M. Galbraith

John M. Galbraith 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).

  • Keyed vineyard cross-arm
    Patent number: 6145246
    Abstract: A grapevine trellis system utilizing substantially L-shaped wire supporting bracket arms constructed to be universally mounted on solid T-bar posts or metal roll formed T-shaped posts incorporating vertical slots designed to eliminate unwanted flexing of the assembly.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: November 14, 2000
    Inventor: John M. Galbraith
  • Trellis wire support system
    Patent number: 5438795
    Abstract: A grapevine trellis system incorporating substantially Z-shaped wire supporting bracket arms arranged and constructed to be alternately and universally mounted on solid T-bar posts, metal roll formed T-shaped posts, and/or conventional rectangular wooden posts.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: August 8, 1995
    Inventor: John M. Galbraith