Patents by Inventor John Charles Sheldon

John Charles Sheldon 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).

  • Handheld Tool with Interchangeable Tool Heads
    Publication number: 20180272389
    Abstract: A handheld air compressor accessory tool for cleaning surfaces is disclosed. The handheld air compressor accessory tool can be connected to a source of pressurized air, such as an air compressor or air tank, and a source of cleaning liquid. The air flow of pressurized air and cleaning liquid can be separately controlled by a user when holding the tool in one hand, independent from each other. The handheld tool has interchangeable tool heads, thus enabling a user to quickly change the tool from one use to another.
    Type: Application
    Filed: September 27, 2016
    Publication date: September 27, 2018
    Inventor: JOHN CHARLES SHELDON
  • Golf wood head
    Patent number: D247922
    Type: Grant
    Filed: November 26, 1976
    Date of Patent: May 16, 1978
    Inventor: John Charles Sheldon