Patents by Inventor Robert L. Schaefer

Robert L. Schaefer 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: 4298689
    Abstract: Method of diagnosing Neisseria gonorrhoeae infections utilizing plant lectins which have an affinity for N-acetylglucosamine.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: November 3, 1981
    Assignee: Research Corporation
    Inventors: Ronald J. Doyle, Kenneth F. Keller, Robert L. Schaefer
  • Patent number: 4003392
    Abstract: A process and apparatus for cleaning particles from the surfaces of MOS-LSI die is disclosed. The present invention involves cleaning apparatus that includes a process tank, a manifold fixture that secures a plurality of universal inserts having variable die size cavities and a multi-nozzle agitator assembly that attaches to said manifold fixture having means for directing pressurized gas and fluid means. The die inserts are selected, fitted and secured in the cavities of the manifold fixture. The dice are installed and secured in the die inserts. The loaded manifold fixture is positioned over the process tank where the dice are rinsed with deionized water, rinsed with alcohol, inspected, scrubbed, pressure rinsed with deionized water, pressure rinsed with alcohol and dried with nitrogen, inspected and secured in clean die trays.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: January 18, 1977
    Assignee: Rockwell International Corporation
    Inventor: Robert L. Schaefer