Patents by Inventor Herbert Duda

Herbert Duda 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).

  • Dry shaver
    Patent number: 3950847
    Abstract: A dry-shaver having a reciprocating drive cutter that cooperates with a stationary counter-cutter, the latter being resiliently mounted on a stationary part of the dry-shaver housing and urged against the driven cutter.
    Type: Grant
    Filed: July 9, 1974
    Date of Patent: April 20, 1976
    Assignee: U.S. Philips Corporation
    Inventor: Herbert Duda