Patents by Inventor Richard H. Sprick

Richard H. Sprick 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: D312984
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: December 18, 1990
    Inventor: Richard H. Sprick
  • Patent number: D312985
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: December 18, 1990
    Inventor: Richard H. Sprick
  • Patent number: D334156
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: March 23, 1993
    Inventor: Richard H. Sprick
  • Patent number: D334906
    Type: Grant
    Filed: April 26, 1991
    Date of Patent: April 20, 1993
    Inventor: Richard H. Sprick
  • Patent number: D335473
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: May 11, 1993
    Inventor: Richard H. Sprick
  • Patent number: D335475
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: May 11, 1993
    Inventor: Richard H. Sprick
  • Patent number: D337746
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: July 27, 1993
    Inventor: Richard H. Sprick
  • Patent number: D337966
    Type: Grant
    Filed: July 8, 1991
    Date of Patent: August 3, 1993
    Inventor: Richard H. Sprick
  • Patent number: D345533
    Type: Grant
    Filed: August 26, 1991
    Date of Patent: March 29, 1994
    Inventor: Richard H. Sprick
  • Patent number: D351362
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: October 11, 1994
    Inventor: Richard H. Sprick
  • Patent number: D356055
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: March 7, 1995
    Inventor: Richard H. Sprick
  • Patent number: D372888
    Type: Grant
    Filed: March 6, 1995
    Date of Patent: August 20, 1996
    Inventor: Richard H. Sprick
  • Patent number: D379603
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: June 3, 1997
    Inventor: Richard H. Sprick