Patents by Inventor Mike Silverstein

Mike Silverstein 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).

  • Adjustable trowel and method of producing
    Patent number: 5699580
    Abstract: An adjustable trowel which is suitable for both internal and external abutting comers is provided. The trowel includes first and second blade members, each having a plurality of arcuate slots formed therein and a blade angle between the sides of the blade members; and a handle member cooperating with the arcuate slots for releasably locking the blade members together with a desired angle between the sides of the blade members.
    Type: Grant
    Filed: December 14, 1995
    Date of Patent: December 23, 1997
    Inventor: Mike Silverstein