Granted Patent
Utility
US 6,289,725 · App. 09/070,825
Field matric potential sensor
Inventors:
Joel M. Hubbell, James B. Sisson
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Apr 30, 1998
Inventors
Joel M. Hubbell
James B. Sisson
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.