Patents by Inventor Alois Dworschak

Alois Dworschak 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).

  • Adapter
    Patent number: D509791
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: September 20, 2005
    Assignee: Erco Leuchten GmbH
    Inventor: Alois Dworschak
  • Electrical lighting fixture
    Patent number: D539464
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: March 27, 2007
    Assignee: Erco Leuchten GmbH
    Inventor: Alois Dworschak
  • Spot light
    Patent number: D552284
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: October 2, 2007
    Assignee: Erco Leuchten GmbH
    Inventors: Henk Kosche, Alois Dworschak
  • Spot light
    Patent number: D552781
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: October 9, 2007
    Assignee: Erco Leuchten GmbH
    Inventors: Henk Kosche, Alois Dworschak
  • Wall-mount luminaire
    Patent number: D590088
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: April 7, 2009
    Assignee: Erco Leuchten GmbH
    Inventor: Alois Dworschak
  • Square bollard LED luminaire
    Patent number: D597694
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: August 4, 2009
    Assignee: Erco Leuchten GmbH
    Inventor: Alois Dworschak
  • Mini bollard luminaire
    Patent number: D597695
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: August 4, 2009
    Assignee: Erco Leuchten GmbH
    Inventor: Alois Dworschak
  • Recessed square luminaire
    Patent number: D611641
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: March 9, 2010
    Assignee: Erco Leuchten GmbH
    Inventor: Alois Dworschak
  • Outdoor lighting fixture
    Patent number: D613441
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: April 6, 2010
    Assignee: Erco GmbH
    Inventors: Alois Dworschak, Henk Kosche
  • Lamp
    Patent number: D662638
    Type: Grant
    Filed: January 21, 2010
    Date of Patent: June 26, 2012
    Assignee: ERCO GmbH
    Inventors: Henk Kosche, Alois Dworschak
  • Track-lighting fixture
    Patent number: D694925
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: December 3, 2013
    Assignee: ERCO GmbH
    Inventors: Naoto Fukasawa, Rolf Lechtenberg, Henk Kosche, Alois Dworschak
  • Track-lighting fixture
    Patent number: D700727
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: March 4, 2014
    Assignee: ERCO GmbH
    Inventors: Naoto Fukasawa, Rolf Lechtenberg, Henk Kosche, Alois Dworschak
  • Track-lighting fixture
    Patent number: D700728
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: March 4, 2014
    Assignee: ERCO GmbH
    Inventors: Naoto Fukasawa, Rolf Lechtenberg, Henk Kosche, Alois Dworschak
  • Spotlight
    Patent number: D773093
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: November 29, 2016
    Assignee: ERCO GMBH
    Inventor: Alois Dworschak
  • Spotlight
    Patent number: D773094
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: November 29, 2016
    Assignee: ERCO GMBH
    Inventor: Alois Dworschak