Patents by Inventor Michael Koppel

Michael Koppel 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).

  • Self-tapping fastener
    Publication number: 20030147717
    Abstract: A self-tapping screw (1) consists of two interconnected sections (7 and 8) of stainless material. The first section (7) comprising the tool access (4) and the thread (6) consists of stainless, austenitic steel and the second section (8) configured as a boring part (5) consists of martensitic steel.
    Type: Application
    Filed: January 8, 2003
    Publication date: August 7, 2003
    Inventors: Michael Koppel, Bernhard Hinz