Patents by Inventor Frederic D. Haig

Frederic D. Haig 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).

  • Synthetic plastics coating
    Patent number: 4372994
    Abstract: A technique for coating a longitudinally extending member feeds particulate plastics coating material onto a horizontal support to form a mound. The mound is pendulously swung back and forth along a path of movement of the member. The member is heated and passed through the pendulously swinging mound of plastics material to coat the member with the material.
    Type: Grant
    Filed: January 26, 1981
    Date of Patent: February 8, 1983
    Inventor: Frederic D. Haig