Granted Patent
Utility
US 6,263,726 · App. 08/884,480
Sidewall tensiometer and method of determining soil moisture potential in below-grade earthen soil
Inventors:
Joel M. Hubbell, James B. Sisson
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Jun 27, 1997
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.