Patents by Inventor Michael D. Cowan

Michael D. Cowan 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).

  • Drive member for a fishing reel
    Patent number: 4962901
    Abstract: The drive member includes a threaded portion for installation on the crank shaft of a fishing reel. A head of the drive member is adapted to abut the reel crank to retain same in place on the crank shaft. A shank of the drive member projects outwardly from the drive member head and is of a cross section for inserted engagement with the chuck of a cordless screwdriver. The present drive member permits optional manual or powered reel operation.
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: October 16, 1990
    Inventors: Ronald D. Shirley, Michael D. Cowan
  • Monitor for semiconductor diffusion operations
    Patent number: 4100486
    Abstract: An electrical defect density monitor for semiconductor device fabrication utilizing a silicide of a formed transitional metal (such as platinum silicide) on a surface of a silicon substrate as a resistor in parallel with the resistance of the underlying substrate, including diffused regions, to improve measurement sensitivity of high sheet resistivity areas. The measurement can be employed for measuring the integrity of diffused regions and/or of dielectric coatings.
    Type: Grant
    Filed: March 11, 1977
    Date of Patent: July 11, 1978
    Assignee: International Business Machines Corporation
    Inventors: Barry N. Casowitz, Michael D. Cowan, Charles B. Humphreys, Akella V. S. Satya