Patents by Inventor Manfred Polzer

Manfred Polzer 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).

  • Sheet metal bobbin
    Patent number: D441772
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: May 8, 2001
    Assignee: TrefilARBED Bettembourg S.A.
    Inventor: Manfred Polzer