Patents by Inventor Gerhard Papst

Gerhard Papst 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).

  • Apparatus for testing matrixes
    Patent number: 5579113
    Abstract: Apparatus for testing matrixes for manufacturing optical storage media, with a holding device for the matrix displaceable in a rotary manner and an opto-electronic sensing system for reading the data stored on the matrix, where between the matrix (3) and the sensing system (4) a cover (6) configured as a rigid, transparent plate moved together with the holding device (2) and the matrix (3) is provided.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: November 26, 1996
    Assignee: Koch Digitaldisc Gesellschaft m.b.h. & Co. KG.
    Inventors: Gerhard Papst, Klaus Schiffer