Granted Patent
Utility
US 5,641,245 · App. 08/446,372
Apparatus for passive removal of subsurface contaminants
Inventors:
Bradley E. Pemberton, Christopher P. May, Joseph Rossabi
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: May 22, 1995
Inventors
Bradley E. Pemberton
Christopher P. May
Joseph Rossabi
Assignee (at issue)
Westinghouse Savannah River Company
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.