Patents by Inventor Roland Ullman

Roland Ullman 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: 5235749
    Abstract: The invention is directed to an electric shaving apparatus having a housing and a shaving head assembly which is adapted to pivot relative to the housing about a pivotal axis Z and is comprised of a shaving head frame, a shaving plane formed by at least one outer cutter having arcuate extensions to the longitudinal sides of the shaving head frame, and of at least one inner cutter operatively associated with the outer cutter and driven by a drive mechanism, wherein the outer cutter is arranged in an outer cutter frame member and the outer cutter frame member is mounted in the shaving head frame so as to be pivotal about the pivotal axis Z.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: August 17, 1993
    Assignee: Braun Aktiengesellschaft
    Inventors: Gerhard Hildebrand, Gunther Seidel, Hans-Eberhard Heintke, Klaus Ramspeck, Reinhold Eichhorn, Helmut Durr, Wolfgang Franke, Gebhard Braun, Manfred Ohle, Roland Ullman
  • Patent number: D293265
    Type: Grant
    Filed: January 16, 1985
    Date of Patent: December 15, 1987
    Assignee: Braun Aktiengesellschaft
    Inventor: Roland Ullman
  • Patent number: D355561
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: February 21, 1995
    Assignee: Braun Atkiengesellschaft
    Inventor: Roland Ullman
  • Patent number: D391022
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: February 17, 1998
    Assignee: Braun Aktiengesellschaft
    Inventor: Roland Ullman