Patents by Inventor Nils Stahl

Nils Stahl 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).

  • Optical measuring method
    Patent number: 4025192
    Abstract: A method of measuring changes in the location of a physically inaccessible point on a surface is disclosed in which the surface may be moved relative to the measuring point between successive measurements.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: May 24, 1977
    Assignee: AGA Aktiebolag
    Inventors: Karl Ragnar Scholdstrom, Holger Marcus, Lennart Nordstrom, Nils Stahl