Patents Assigned to Nippon S R S, Inc.
  • Patent number: 4165179
    Abstract: Disclosed herein is a device for wiping the optical window of a sample cell in a turbidimeter or other optical instrument for examining a liquid sample, which device comprises a wiper adapted to be inserted into the inner surface of the sample cell and rotated around its axis so as to clean the optical window quickly and easily of defiling matter adhering to the optical window.
    Type: Grant
    Filed: July 13, 1977
    Date of Patent: August 21, 1979
    Assignees: Nippon Precision Optical Instrument Co., Ltd., Nippon S R S, Inc.
    Inventor: Ko Sato