Patents by Inventor Diane L. Gray

Diane L. Gray 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).

  • Moisture-controlled flexible hair curler
    Patent number: 6631725
    Abstract: A flexible hair curler formed from a gel of crosslinked polyacrylamide including a humectant, and encased in a moisture-permeable flexible sheath, preferably of fabric.
    Type: Grant
    Filed: June 13, 2001
    Date of Patent: October 14, 2003
    Inventor: Diane L. Gray
  • Moisture-controlled hair curler
    Publication number: 20020189630
    Abstract: A hair curler is formed from a gel of crosslinked polyacrylamide including a humectant, and encased in a moisture-permeable flexible sheath, preferably of fabric.
    Type: Application
    Filed: June 13, 2001
    Publication date: December 19, 2002
    Inventor: Diane L. Gray
  • Microwavable hair curler
    Patent number: 6064051
    Abstract: A hair curler has a support and a sheath thereon containing a gel comprising a humectant, water, and a crosslinked water soluble polymer. The curler may be heated in a microwave oven; it emits moist heat during use and reabsorbs moisture from the atmosphere between uses.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: May 16, 2000
    Inventor: Diane L. Gray