Granted Patent
Utility
US 6,772,071 · App. 10/098,685
Estimation of toxic substance release
Inventors:
Ernest Gilbert, Shahryar Khajehnajafi
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Mar 15, 2002
Inventors
Ernest Gilbert
Shahryar Khajehnajafi
Assignee (at issue)
Techtrac Systems, 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.