Patents by Inventor Walter B. Champlin

Walter B. Champlin 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).

  • Surface layout gauge
    Patent number: 4400883
    Abstract: An improved surface layout gauge for use in making successive point-to-point measurements with a high degree of accuracy and employing improved means for making vernier adjustments and mounting of the sliding scriber to improve the accuracy of the gauge.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: August 30, 1983
    Inventor: Walter B. Champlin