Patents by Inventor F. Robert Drury

F. Robert Drury 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: 4516522
    Abstract: A portable, manually operable device for preparing a monolayer film of a biological fluid sample or the like on a slide for microscopic examination. Said device includes a base for retaining the slide thereon and a spreader manually movable linearly relative to the base and slide in a pass which spreads a sample of the fluid on the slide into such a monolayer. Preferably, the spreader is constructed to be disposable.
    Type: Grant
    Filed: October 14, 1982
    Date of Patent: May 14, 1985
    Assignee: Coulter Electronics, Inc.
    Inventors: F. Robert Drury, Marshall D. Graham
  • Patent number: 4494479
    Abstract: A portable, manually operable device for preparing a monolayer film of a biological fluid sample or the like on a slide for microscopic examination. Said device includes a base for retaining the slide thereon and a spreader manually movable linearly relative to the base and slide in a pass which spreads a sample of the fluid on the slide into such a monolayer. Preferably, the spreader is constructed to be disposable.
    Type: Grant
    Filed: January 19, 1983
    Date of Patent: January 22, 1985
    Assignee: Coulter Electronics, Inc.
    Inventors: F. Robert Drury, Marshall D. Graham