Patents by Inventor Heinz J. Roeser

Heinz J. Roeser 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).

  • Glass scribing apparatus
    Patent number: 4221150
    Abstract: Apparatus for scribing a planar work piece includes a vacuum chuck table and a scribe bridge assembly moveable along shaft tracks straddling the table surface. The bridge assembly supports first and second sets of scribe devices which can be alternately rotated into engagement with a work piece as the bridge assembly moves along the tracks. The assembly is driven at both ends by chain drives by synchronized movement.
    Type: Grant
    Filed: November 24, 1978
    Date of Patent: September 9, 1980
    Assignee: Optical Coating Laboratory, Inc.
    Inventors: Nils H. Bergfelt, H. William Bruce, Heinz J. Roeser