Patents by Inventor Frederick D. Brown

Frederick D. Brown 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).

  • Pager carrying case
    Patent number: D287305
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: December 23, 1986
    Inventor: Frederick D. Brown
  • Pager carrier case
    Patent number: D306654
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: March 20, 1990
    Inventor: Frederick D. Brown
  • Pager carrier case
    Patent number: D307673
    Type: Grant
    Filed: January 4, 1988
    Date of Patent: May 8, 1990
    Inventor: Frederick D. Brown