Granted Patent
Utility
US 6,648,552 · App. 09/418,681
Sensor system for buried waste containment sites
Inventors:
Ann Marie Smith, Bradley M. Gardner, Kevin M. Kostelnik, Judy K. Partin, Gregory D. Lancaster, Mary Catherine Pfeifer
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Oct 14, 1999
Inventors
Ann Marie Smith
Bradley M. Gardner
Kevin M. Kostelnik
Judy K. Partin
Gregory D. Lancaster
Mary Catherine Pfeifer
Assignee (at issue)
Bechtel BWXT Idaho, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.