Patents by Inventor Charles L. Gibson

Charles L. Gibson 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).

  • Hydrogenation of halonitroaromatic compounds
    Patent number: 4929737
    Abstract: Disclosed is an improved process for the preparation of haloaromatic amines by the catalytic hydrogenation of halonitroaromatic compounds in the presence of a chromium-containing Raney cobalt catalyst. The catalyst gives good hydrogenation rates while minimizing formation of dehalogenated by-products.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: May 29, 1990
    Assignee: Eastman Kodak Company
    Inventors: Carl M. Lentz, Edward T. Mullins, Charles L. Gibson
  • Playground slide
    Patent number: D250723
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: January 2, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground unit
    Patent number: D250724
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: January 2, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground structure
    Patent number: D250783
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: January 9, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground structure
    Patent number: D250784
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: January 9, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground climber or the like
    Patent number: D250785
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: January 9, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground climber or the like
    Patent number: D252166
    Type: Grant
    Filed: March 24, 1977
    Date of Patent: June 19, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground structure
    Patent number: D253362
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: November 6, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground structure
    Patent number: D253363
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: November 6, 1979
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Combined chair and tray for the handicapped
    Patent number: D254999
    Type: Grant
    Filed: January 30, 1978
    Date of Patent: May 20, 1980
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground structure
    Patent number: D256039
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: July 22, 1980
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playhouse climber
    Patent number: D259804
    Type: Grant
    Filed: March 15, 1979
    Date of Patent: July 7, 1981
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground climber
    Patent number: D261917
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: November 17, 1981
    Assignee: Creative Playgrounds Corporation
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground climber
    Patent number: D269363
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: June 14, 1983
    Assignee: Berthold B. Dieter
    Inventors: Berthold B. Dieter, Charles L. Gibson
  • Playground climber
    Patent number: D269364
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: June 14, 1983
    Assignee: Berthold B. Dieter
    Inventors: Berthold B. Dieter, Charles L. Gibson