Granted Patent
Utility
US 5,639,936 · App. 08/333,965
Solar energy in-situ soil desorption apparatus and method including controlled air intake
Inventor:
Lawrence J. Corte
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Nov 3, 1994
Inventor
Lawrence J. Corte
Assignee (at issue)
K N Energy, Inc.
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.