Patents by Inventor Paul A. Hoogesteger

Paul A. Hoogesteger 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).

  • Protective cover for turret assembly of an optical instrument
    Patent number: 4770520
    Abstract: A cover member is set forth which protects the rotatable turret and objectives of an inverted microscope from exposure to corrosive or otherwise potentially harmful substances.
    Type: Grant
    Filed: April 8, 1987
    Date of Patent: September 13, 1988
    Assignee: Cambridge Instruments Inc.
    Inventor: Paul A. Hoogesteger
  • Multi-use microscope having modular construction of extruded parts
    Patent number: 4729646
    Abstract: A microscope is provided which is simply, accurately and inexpensively constructed from substantially all extruded parts. The modular construction of the microscope greatly reduces the costs of the instrument without sacrificing accuracy. The modularity further provides for a microscope which is readily adaptable to serve several distinct and separate functions.
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: March 8, 1988
    Assignee: Bausch & Lomb Incorporated
    Inventors: James A. Clark, Michael H. Dobner, Paul A. Hoogesteger
  • Manual switching means for contact lens disinfecting apparatus
    Patent number: 3983362
    Abstract: A combination comprising a push button switch or other switching means disposed in a cover of a contact lens disinfecting apparatus whereby the switching means can actuate the heating means included in the apparatus only when the cover of the apparatus is in a completely closed position.
    Type: Grant
    Filed: July 18, 1975
    Date of Patent: September 28, 1976
    Assignee: Bausch & Lomb Incorporated
    Inventors: Paul A. Hoogesteger, John Kadlecik
  • Disinfecting apparatus for hydrophilic contact lenses
    Patent number: D243287
    Type: Grant
    Filed: July 18, 1975
    Date of Patent: February 1, 1977
    Assignee: Bausch & Lomb Incorporated
    Inventor: Paul A. Hoogesteger
  • Contact lens disinfector
    Patent number: D269999
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: August 2, 1983
    Assignee: Bausch & Lomb Incorporated
    Inventor: Paul A. Hoogesteger
  • Contact lens disinfector
    Patent number: D282576
    Type: Grant
    Filed: April 11, 1983
    Date of Patent: February 11, 1986
    Assignee: Bausch & Lomb Incorporated
    Inventor: Paul A. Hoogesteger
  • Combined disinfector and carrying case for contact lens
    Patent number: D289923
    Type: Grant
    Filed: November 26, 1984
    Date of Patent: May 19, 1987
    Assignee: Bausch & Lomb Incorporated
    Inventor: Paul A. Hoogesteger
  • Acuity chart projector or the like
    Patent number: D294860
    Type: Grant
    Filed: September 9, 1985
    Date of Patent: March 22, 1988
    Assignee: Bausch & Lomb Incorporated
    Inventor: Paul A. Hoogesteger
  • Protective cover for a rotatable turret assembly and objectives of an inverted microscope
    Patent number: D304592
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: November 14, 1989
    Assignee: Cambridge Instruments, Inc.
    Inventor: Paul A. Hoogesteger
  • Inverted microscope
    Patent number: D308879
    Type: Grant
    Filed: February 20, 1987
    Date of Patent: June 26, 1990
    Assignee: Cambridge Instruments, Inc.
    Inventor: Paul A. Hoogesteger