Patents by Inventor Calvin J. Delay

Calvin J. Delay 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).

  • Remote control device for arc welding
    Patent number: 4216368
    Abstract: The controls for a arc welder are located at the rod holder. The rod holder controls include push buttons which cause electrical motors geared to the control shafts to rotate in either a forward or reverse direction.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: August 5, 1980
    Inventor: Calvin J. Delay