Maintaining The Natural Appearance Of Plants Or Animal Parts Patents (Class 156/57)
  • Method for sectioning in a microtome at low temperature and trimming of the specimen to be sectioned
    Patent number: 4012475
    Abstract: According to the invention the specimen is given its desired design by pressing it towards a block, having a recess of the desired design and being cooled, preferably by liquid nitrogen.
    Type: Grant
    Filed: August 23, 1974
    Date of Patent: March 15, 1977
    Assignee: LKB-Produkter AB
    Inventor: Erik Lennart Kindel
  • Ornament and method of manufacture
    Patent number: 3997686
    Abstract: An ornament is produced by drying an animal dropping, removing the natural outer coating to expose the interior grain and treating the dropping with a plastic or synthetic resin to form a hard transparent coating. The resulting product is an ornament that can be used to form a necklace, brooch, cuff links or other attractive jewelry piece.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: December 14, 1976
    Inventor: Stewart McClure
  • Serial preparation of narrow traces of cellular biological fluids
    Patent number: 3995022
    Abstract: Apparatus and method are described for preparing a narrow trace of physiological fluid on a substrate from a discrete fluid pool. The trace so produced is substantially identical to traces manually prepared in that they are characterized by distinct macroscopic and microscopic zones. Automatic trace staining apparatus also is provided.
    Type: Grant
    Filed: May 17, 1974
    Date of Patent: November 30, 1976
    Assignee: Tetronics Research and Development Co. Ltd.
    Inventors: Charles Peter Heanley, Jozef Kazimierz Tylko
  • Covering apparatus and method for film mounted serial tissue sections
    Patent number: 3939019
    Abstract: A covering apparatus and method is directed to applying transparent adhesive tape over stained serial tissue sections which have been mounted on motion picture type film. The tape serves as a protective cover for the sections in lieu of glass slides, plastic and glass cover slips, plastic sprays, and the like.
    Type: Grant
    Filed: August 2, 1974
    Date of Patent: February 17, 1976
    Inventor: John E. P. Pickett