Patents by Inventor Norman Sinclair

Norman Sinclair 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).

  • Method for the investigation of house dust
    Patent number: 5981287
    Abstract: A invention relates to a method for the investigation of house dust with respect to a potential for inducing an allergic reaction, by mixing the house dust with a protein detector for the determination in order of size of protein-containing constituents contained in the house dust; additionally, the invention also relates a detecting agent for the estimation of a potential of house dust for inducing allergic reactions using a detection constituent for characterizing a protein component.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: November 9, 1999
    Assignee: Vorwerk & Co. Interholding GmbH
    Inventors: Norman Sinclair, Ralf Sauer, Heike Poch, Wolfgang Volker
  • Comb with rotatable teeth
    Patent number: 4187866
    Abstract: A comb including an elongated body having a recess extending from one edge thereof with an insert having teeth supported thereon received into the recess is disclosed herein. The respective teeth are supported in openings in the insert and have enlarged heads at one end which are located between the base wall of the recess and the adjacent surface of the insert and have an axial dimension less than the spacing therebetween so that the respective teeth can move axially as well as rotate about their own axes during use of the comb.
    Type: Grant
    Filed: May 19, 1978
    Date of Patent: February 12, 1980
    Assignee: Helene Curtis Industries, Inc.
    Inventors: Jan M. Zwiren, Selma M. Casper, Norman Sinclair