Patents by Inventor Maciei Murzynski

Maciei Murzynski 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).

  • Shaving head for rotary shaver and method of manufacturing the same
    Patent number: 8037613
    Abstract: A rotary shaving head having a one-piece cup-shaped metal body including a comb portion. A plurality of openings in the comb portion are defined by opposed sidewalls, the intersection of at least one sidewall of at least one of the openings with an inner surface of the comb portion defining a cutting edge having a positive rake angle. A rotary shaving head manufacturing method includes the steps of etching a set of openings corresponding to a shaving head blank into an elongate flat metal strip, forming the blank into a cup-shaped unfinished shaving head, and removing material from the inner surface of the comb portion of the unfinished shaving head.
    Type: Grant
    Filed: September 2, 2004
    Date of Patent: October 18, 2011
    Assignee: Rovcal, Inc.
    Inventors: David W. Everett, Jr., Maciei Murzynski