Patents by Inventor David S. Yetman

David S. Yetman 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).

  • Electrophoresis cassette system with apparatus and method for filling same
    Patent number: 5164066
    Abstract: Apparatus for filling an electrophoresis cassette of the type having a gel layer between two glass plates. The filling system includes a filling manifold which is brought into abutment with the bottom edges of the glass plates. A rubber gasket provides a seal between the manifold and the cassette, The gasket includes a trough extending along the bottom edge of the cassette which communicates with an opening adapted to receive an injector. Liquid gel material in the injector fills the cassette from the bottom to the top.
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: November 17, 1992
    Assignee: EG&G Inc.
    Inventors: David S. Yetman, Philip C. Danby
  • Electrophorresis cassette spacer
    Patent number: 4919784
    Abstract: A spacer for an electrophoresis cassette of the type having front and rear plates, such as glass, with a gel material in the space between the plates in which electrophoresis separation is performed. The cassette includes a spacer between the plates in the form of a thin disk whose thickness is equal to the desired plate separation. A stud projects outwardly from the disk and is received in a hole in one of the plates to locate the stud. Preferably the stud is made of stainless steel.
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: April 24, 1990
    Assignee: EG&G, Inc.
    Inventor: David S. Yetman