Patents by Inventor Bernd Holzel

Bernd Holzel 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).

  • Patent number: 4538998
    Abstract: The subject matter of the invention is a swimming and rescue aid having a disk shape for securing to the upper arm and comprising at least a one flat ring disk, the thickness of which is small relative to its outer diameter. The disk is elastic at least in the area of the arm or it comprises an arm passage opening having an elastic, expandible edge.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: September 3, 1985
    Inventor: Bernd Holzel