Patents by Inventor Colin A. Laidlaw

Colin A. Laidlaw 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).

  • Cushion with gel sac and gel overlay
    Patent number: 5918334
    Abstract: A cushion, generally indicated, comprises a foam portion and a gel portion. The foam portion has a rear section defining a cavity, while the front section is shaped to support the users' thighs. The gel portion comprise a gel sac, which substantially fills the cavity and an overlay that extends over the gel sac and the front section of foam. The overlay is attached to the bag to maintain their relative portions, but gel cannot flow between them.
    Type: Grant
    Filed: August 8, 1997
    Date of Patent: July 6, 1999
    Assignee: Medical Support Systems Limited
    Inventor: Colin A. Laidlaw
  • Cushion
    Patent number: D386036
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: November 11, 1997
    Assignee: Medical Support Systems Limited
    Inventor: Colin A. Laidlaw
  • Cushion
    Patent number: D399694
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: October 20, 1998
    Assignee: Medical Support Systems Limited
    Inventor: Colin A. Laidlaw