Patents by Inventor Harold Stewart

Harold Stewart 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: 7075632
    Abstract: The present invention relates to method for interpreting data obtained by measuring a length of optical fiber using an optical time domain reflectometer (OTDR), and comparing that measurement to a reference measurement. The technique uses statistical inference to determine a likely cause for a length measurement to be shorter than a reference length. One technique uses a chi-squared best fit of an array reflectance spike occurrences along the fiber to a historical reference array. In that way, it can be determined whether the missing portion of the tested fiber is at an end or between the ends, providing evidence that the short length measurement results from a fiber break or from the intentional removal of a reserve loop.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: July 11, 2006
    Inventors: Michael Asher, Hossein Eslambolchi, Chuck Giddens, John Sinclair Huffman, Harold Stewart
  • Publication number: 20060089873
    Abstract: A method of operating a beauty salon-spa, includes a salon-spa program, wherein a member of the salon-spa program signs a service agreement, pays a monthly fee for an effective period of the service agreement, and receives a service package, comprising a plurality of salon-spa-related services, every month for the effective period.
    Type: Application
    Filed: October 21, 2004
    Publication date: April 27, 2006
    Inventors: Harold Stewart, Mary Nelson
  • Patent number: 6989893
    Abstract: The present invention relates to method for interpreting data obtained by measuring a length of optical fiber using an optical time domain reflectometer (OTDR), and comparing that measurement to a reference measurement. The technique uses statistical inference to determine a likely cause for a length measurement to be shorter than a reference length. One technique uses a chi-squared best fit of an array reflectance spike occurrences along the fiber to a historical reference array. In that way, it can be determined whether the missing portion of the tested fiber is at an end or between the ends, providing evidence that the short length measurement results from a fiber break or from the intentional removal of a reserve loop.
    Type: Grant
    Filed: July 23, 2004
    Date of Patent: January 24, 2006
    Assignee: AT&T Corp.
    Inventors: Michael Asher, Hossein Eslambolchi, Chuck Giddens, John Sinclair Huffman, Harold Stewart
  • Patent number: 6968589
    Abstract: The present invention provides a vehicle mounted sweeping apparatus to be mounted on a variety of vehicles for sweeping the inside surfaces of vessels such as a barge, generally comprising a rectangular steel base plate positioned horizontally with two perpendicular rectangular side plates attached to each end of the base plate. All three plates are attached to a rectangular steel frame which further comprises a mounting plate for attachment to a vehicle. The horizontal base plate and vertical side plates comprise multiple sweeping elements arranged in parallel rows perpendicular to the direction of vehicle travel and removeably attached to the outside surfaces of the plates, for replacement when worn.
    Type: Grant
    Filed: March 21, 2002
    Date of Patent: November 29, 2005
    Assignee: Holcim (US) Inc.
    Inventor: Harold Stewart
  • Patent number: 5939056
    Abstract: A substantially anhydrous underarm cream composition suitable for topical application to the human skin, comprising an antiperspirant and/or deodorant agent, a carrier, a silica structurant and an alkyl methicone wax having the general formula:(CH.sub.3).sub.3 Si--?O--Si(R)(CH.sub.3)!.sub.x --O--Si(CH.sub.3).sub.3wherein R is a branched or unbranched alkyl group containing from 12 to 26 carbon atoms, the ratio of branched to unbranched alkyl groups is approximately from 1:5 to 1:2 and x ranges from 30 to 150.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: August 17, 1999
    Assignee: Helene Curtis, Inc.
    Inventors: Neil Robert Fletcher, Lynda Grainger, Desmond Bernard Hagan, Nina Maria Lewkowicz, Ian Robert McMillan, John Harold Stewart Rennie
  • Patent number: 5138871
    Abstract: An apparatus and method for evaluating the permeability of membrane articles, particularly condoms and gloves, is designed to quantify physiologic conditions which exist during use of the articles. Permeability is determined by monitoring fluorescent microspheres of approximately the size of HIV which pass through the membrane articles.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: August 18, 1992
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventors: Stephen M. Retta, Jean Rinaldi, Ronald Carey, William A. Herman, T. Whit Athey, Bruce A. Herman, Harold Stewart
  • Patent number: 4025750
    Abstract: An electrode assembly for simultaneously welding all the leads of a semiconductor chip to an outer lead frame is disclosed. The electrode assembly includes a gross electrode opposed to a plurality of spot electrodes, and a plurality of parallelogram support members for the spot electrodes, and a housing. Each of the plurality of parallelogram support members includes a first leg fixedly attached to the housing and a second leg supporting one of the spot electrodes. Each of the second legs is resiliently deformable into a stressed position when the electrode supported thereby is biased against the work piece whereby each spot electrode is independently responsive to structural changes in the work piece and contact is maintained between the work piece and the spot electrodes during the entire welding operation.
    Type: Grant
    Filed: December 29, 1975
    Date of Patent: May 24, 1977
    Assignee: The Jade Corporation
    Inventors: Alan S. Keizer, Hans Strube, Harold Stewart