Patents by Inventor David Overman

David Overman 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).

  • Apparatus and method for obtaining subterranean samples
    Patent number: 5211249
    Abstract: The present invention provides an apparatus and method for obtaining a subterranean material sample. The inventive sampling apparatus comprises an elongate housing having a passageway extending longitudinally therethrough, a tip member movable through the passageway, and a locking means for releasably preventing the tip member from moving from a first portion of the passageway to a second portion of the passageway. The inventive sampling method comprises the step of inserting the inventive sampling apparatus into the ground. The present invention also provides a device for retaining material in a housing, said device comprising a plurality of resilient petal members.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: May 18, 1993
    Assignee: Conoco Inc.
    Inventors: David L. Richter, Michael C. Kasl, David Overman, Joel F. Wilson
  • Sports radar device
    Patent number: D425435
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: May 23, 2000
    Assignee: Sports Sensors, Inc.
    Inventors: Michael A. Ward, David Overman, Albert E. Dilz, Jr., David L. Hunt, David K. Memke, David L. Slayton