Patents by Inventor Reiner G. Szperkowski

Reiner G. Szperkowski 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: D255562
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: June 24, 1980
    Inventor: Reiner G. Szperkowski