Patents by Inventor Charles R. Parkerson

Charles R. Parkerson 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).

  • Method for depositing heteroepitaxially InP on GaAs semi-insulating substrates
    Patent number: 4314873
    Abstract: A method for depositing high quality indium phosphide layers heteroepitaxly on GaAs substrates by controlling the growth between them of an interfacial quaternary alloy of In.sub.y Ga.sub.1-y As.sub.x P.sub.1-x.
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: February 9, 1982
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Herman H. Wieder, Charles R. Parkerson
  • Golfer's aiming aid for a tee
    Patent number: D307929
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: May 15, 1990
    Inventor: Charles R. Parkerson