Patents by Inventor Adrianus J. M. Scheffers

Adrianus J. M. Scheffers 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: D312928
    Type: Grant
    Filed: February 19, 1987
    Date of Patent: December 18, 1990
    Assignee: Assenburg B.V.
    Inventor: Adrianus J. M. Scheffers
  • Patent number: D352405
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: November 15, 1994
    Assignee: Assenburg B.V.
    Inventor: Adrianus J. M. Scheffers
  • Patent number: D352406
    Type: Grant
    Filed: June 17, 1992
    Date of Patent: November 15, 1994
    Assignee: Assenburg B.V.
    Inventor: Adrianus J. M. Scheffers
  • Patent number: D360086
    Type: Grant
    Filed: March 21, 1994
    Date of Patent: July 11, 1995
    Assignee: Assenburg B.V.
    Inventor: Adrianus J. M. Scheffers