Patents by Inventor C. Eugene Cowan

C. Eugene 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).

  • Guarded tub enclosure
    Patent number: 7639003
    Abstract: A probe station with an improved guarding structure.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: December 29, 2009
    Assignee: Cascade Microtech, Inc.
    Inventors: John Dunklee, Greg Norgden, C. Eugene Cowan
  • Guarded tub enclosure
    Patent number: 7221146
    Abstract: A probe station with an improved guarding structure.
    Type: Grant
    Filed: January 14, 2005
    Date of Patent: May 22, 2007
    Assignee: Cascade Microtech, Inc.
    Inventors: John Dunklee, Greg Norgden, C. Eugene Cowan
  • Guarded tub enclosure
    Patent number: 6861856
    Abstract: A probe station with an improved guarding structure.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: March 1, 2005
    Assignee: Cascade Microtech, Inc.
    Inventors: John Dunklee, Greg Norgden, C. Eugene Cowan
  • Guarded tub enclosure
    Publication number: 20040113639
    Abstract: A probe station with an improved guarding structure.
    Type: Application
    Filed: December 13, 2002
    Publication date: June 17, 2004
    Inventors: John Dunklee, Greg Norgden, C. Eugene Cowan