Granted Patent
Utility
US 6,824,328 · App. 09/549,902
Vapor collection and treatment of off-gas from an in-situ thermal desorption soil remediation
Inventors:
Harold J. Vinegar, George Leo Stegemeier
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Apr 14, 2000
Inventors
Harold J. Vinegar
George Leo Stegemeier
Assignee (at issue)
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
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.