Patents by Inventor Alvin J. Cooper

Alvin J. Cooper 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).

  • Combination tool for gas welders
    Patent number: 4595136
    Abstract: A single tool, especially for use by gas welders, that combines a soapstone marker, a rotary spark igniter and a plurality of torch cleaning wires. The tool is of metal construction, of pencil-like shape, readily manually manipulable, and easily releasably carried in or on the clothing of a mechanic.
    Type: Grant
    Filed: October 11, 1984
    Date of Patent: June 17, 1986
    Inventor: Alvin J. Cooper