Patents by Inventor Jerry J. Schotzko

Jerry J. Schotzko 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).

  • Miter box and frame doweling drill jig apparatus
    Patent number: 4158523
    Abstract: A miter box and frame doweling drill jig apparatus utilizes a miter box having the two side walls thereof chamfered at a 45 degree angle relative to the base portion thereof. A plate having a plurality of drill fit aligning holes is removeably affixed at various locations on the chamfered ends of the side walls. A mitered work piece clamped to either side wall may be drilled, utilizing a drill bit aligned in selected holes thereby permitting work pieces to be easily assembled into a picture frame employing dowels therefor.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: June 19, 1979
    Inventor: Jerry J. Schotzko