Patents by Inventor Keith W. Schroeder

Keith W. Schroeder 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).

  • Cutter inserts for sign engraving machine
    Patent number: 5297902
    Abstract: A pair of replaceable, identical cutter inserts are provided for a cutter head assembly of a sign engraving machine. The cutter inserts have inside edges formed at an angle of approximately 15.degree. from a cutter tip axis. The inside edges of the cutter insert overlap to form an "X" when installed in the cutter head for sign engraving operations. Chips migrate up the inside edges from the cutter tips and are exhausted from the cutting area.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: March 29, 1994
    Assignee: Brady USA, Inc.
    Inventors: George F. Jambor, Keith W. Schroeder