Patents by Inventor Howard Vipperman

Howard Vipperman 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).

  • Patent number: 9399313
    Abstract: The present invention is an improved method of manufacturing rubber wheels and composition thereof used on a portable vehicle adhesive remover for removing pinstripes, decals, side moldings and other items adhering to a vehicle without damaging the original paint of the vehicle. The improved method of manufacturing rubber wheels may comprise masticating approximately 100 parts of rubber in a mixer and synthesizing a rubber compound by mixing in at least 8 parts of activating agents, less than 60 parts of processing oil, between 0.1% and 1.5% by parts of cross-linking agent, and at least 1 part accelerating agent. The improved method may also comprise vulcanizing the synthesized rubber compound in a mold to produce a rubber wheel having a Shore A hardness between 50 and 60.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: July 26, 2016
    Assignee: Astro Pneuematic Tool Company
    Inventor: Howard Vipperman
  • Patent number: 5856396
    Abstract: The present invention is a method of manufacturing rubber wheels and composition therefor used on a portable vehicle adhesive remover for removing pinstripes, decals, side moldings and other items adhering to a vehicle without damaging the original paint of the vehicle.
    Type: Grant
    Filed: April 28, 1997
    Date of Patent: January 5, 1999
    Assignee: Fisher Tool Co., Inc.
    Inventor: Howard Vipperman
  • Patent number: 5624990
    Abstract: The present invention is a method of manufacturing rubber wheels and composition therefor used on a portable vehicle adhesive remover for removing pinstripes, decals, side moldings and other items adhering to a vehicle without damaging the original paint of the vehicle.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: April 29, 1997
    Assignee: Fisher Tool Co., Inc.
    Inventor: Howard Vipperman