Patents by Inventor Max P. Keller

Max P. Keller 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).

  • Adjustable indicator holders
    Patent number: 4411402
    Abstract: An adjustable indicator holder including a body member rigidly attached to a shaft adapted to be engaged by a spindle, a lever arm pivotally secured to the body member and having fine adjustment means engaging one end thereof, an articulated linkage, one end of which is pivotally secured to the other end of the lever arm and clamping means disposed at the distal end of the articulated linkage for matingly engaging a standard linear indicator device.
    Type: Grant
    Filed: November 3, 1980
    Date of Patent: October 25, 1983
    Inventor: Max P. Keller