Patents by Inventor Hans Hopfer

Hans Hopfer 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).

  • Seat
    Patent number: D280153
    Type: Grant
    Filed: December 28, 1982
    Date of Patent: August 20, 1985
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Seat
    Patent number: D280364
    Type: Grant
    Filed: December 28, 1982
    Date of Patent: September 3, 1985
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Sofa
    Patent number: D280365
    Type: Grant
    Filed: December 28, 1982
    Date of Patent: September 3, 1985
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Combined sofa and adjustable legrest
    Patent number: D280955
    Type: Grant
    Filed: December 28, 1982
    Date of Patent: October 15, 1985
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Sofa bed or similar article
    Patent number: D281839
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: December 24, 1985
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Seat with adjustable headrest
    Patent number: D282126
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: January 14, 1986
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Sofa or similar article
    Patent number: D310143
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: August 28, 1990
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Chaise lounge
    Patent number: D310452
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: September 11, 1990
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Seat
    Patent number: D313893
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: January 22, 1991
    Assignee: Alex Synn AG
    Inventor: Hans Hopfer
  • Chair
    Patent number: D327174
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: June 23, 1992
    Assignee: Lenzburg Design AG
    Inventor: Hans Hopfer
  • Sofa
    Patent number: D347747
    Type: Grant
    Filed: October 7, 1992
    Date of Patent: June 14, 1994
    Assignee: Lenzburg Design AG
    Inventor: Hans Hopfer
  • Sofa
    Patent number: D368599
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: April 9, 1996
    Assignee: Lenzburg Design AG
    Inventor: Hans Hopfer
  • Couch
    Patent number: D383326
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: September 9, 1997
    Assignee: Lenzburg Design A.G.
    Inventor: Hans Hopfer