Patents by Inventor John Kolmer

John Kolmer 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).

  • Patent number: 5050475
    Abstract: An apparatus to recondition used ammunition cartridge cases in order that they can be reloaded and reused. A stand includes a base and an upright column. A plurality of bearing sleeves are located in the column disposed about parallel horizontal axes. A plurality of tool holders have shafts that are rotatably assembled in the column. The tool holders carry cartridge case reconditioning tools of the type that operate upon a cartridge case upon rotation with respect to it. The tool holder shafts are interconnected by circular gears. The rotation of one shaft results in rotation of the other shafts. A crank is connected to one of the shafts for rotation of all of the shafts. One of the cartridge case reconditioning tools is for deburring the inside mouth of the case, another is for deburring the outside mouth of the case, and a third is for cleaning the primer pocket.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: September 24, 1991
    Inventor: John Kolmer