Patents by Inventor Sam S. Usui

Sam S. Usui 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: 6367113
    Abstract: An artist painting brush having a brush head including a ferrule and a brush tuft, a forward barrel having a portion with a reduced cross section, a hollow grip fitting over the part with reduced cross-section. The brush head is fixed to the forward barrel whereby the ferrule brush tuft and forward barrel are replaceable, and a rear barrel having means to be removably connected to the front barrel whereby the cross-section of the combined forward barrel portion and hollow grip is substantially the same as the cross-section of the rear barrel. The ferrule is fabricated of stainless steel in order to avoid the possibility of allergic reaction to an artist handling the painting brush.
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: April 9, 2002
    Inventor: Sam S. Usui
  • Patent number: 5791470
    Abstract: A package and display unit for an elongated article, such as an artist's paint brush, in the form of an elongated cardboard blank having openings, score lines, a puncture hole and flaps whereby the blank can be folded along the score lines and a flap inserted through an opening to form a package in which the bottom of the paint brush handle can pass through the puncture hole and the upper part of the handle is held to the package by securing means so that both the brush portion and the handle portion can be felt by a prospective user.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: August 11, 1998
    Inventor: Sam S. Usui