Patents by Inventor Kathy Gertsma

Kathy Gertsma 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).

  • Brush handle
    Patent number: D346498
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: May 3, 1994
    Assignee: West Coast Beauty Supply Co.
    Inventor: Kathy Gertsma
  • Hairbrush
    Patent number: D365687
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: January 2, 1996
    Assignee: West Coast Beauty Supply Co.
    Inventors: Kathy Gertsma, Christopher Davis
  • Hairbrush
    Patent number: D366567
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: January 30, 1996
    Assignee: West Coast Beauty Supply Co.
    Inventors: Kathy Gertsma, Christopher Davis
  • Hairbrush
    Patent number: D366761
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: February 6, 1996
    Assignee: West Coast Beauty Supply Co.
    Inventors: Kathy Gertsma, Christopher Davis
  • Hairbrush
    Patent number: D381207
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: July 22, 1997
    Assignee: West Coast Beauty Supply Company
    Inventors: Kathy Gertsma, Christopher Davis