Patents by Inventor Helmut E. Brock

Helmut E. Brock 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).

  • Chain saw sighting device
    Patent number: 4319404
    Abstract: A sighting device attachment for a chain saw allows an operator to measure desired lengths to be cut which are substantially greater than the size of the attachment, and allows adjustment to provide a wide variety of lengths.
    Type: Grant
    Filed: March 20, 1980
    Date of Patent: March 16, 1982
    Assignee: David C. Young
    Inventor: Helmut E. Brock
  • Sun shade apparatus
    Patent number: 4030748
    Abstract: A sun shade for use on lounge chairs comprises an elongated strip of flexible plastic having a pair of brackets adjustably pivotably affixed to ends of the sheet, each of the brackets being adjustably positionable along a respective side portion of a conventional lounge chair.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: June 21, 1977
    Inventor: Helmut E. Brock