Patents by Inventor Harvey Zelman

Harvey Zelman 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).

  • Sponge ball
    Patent number: D378536
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: March 18, 1997
    Assignee: Aqua-Leisure Industries, Inc.
    Inventors: Andrew F. Fireman, Harvey Zelman
  • Sponge ball
    Patent number: D381380
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: July 22, 1997
    Assignee: Aqua-Leisure Industries, Inc.
    Inventors: Andrew F. Fireman, Harvey Zelman