Granted Patent
Utility
US 6,193,782 · App. 09/281,246
Modular condensing wet electrostatic precipitators and method
Inventor:
Isaac Ray
Patented Case
View Patent ↗
Granted: Feb 27, 2001
Filed: Mar 30, 1999
Inventor
Isaac Ray
Assignee (at issue)
Croll Reynolds Clean Air Technologies, 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.