Granted Patent
Utility
US 5,582,807 · App. 08/334,595
Method and apparatus for removing particulate and gaseous pollutants from a gas stream
Inventors:
Chung F. Liao, Mark A. Siddoway
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Nov 4, 1994
Inventors
Chung F. Liao
Mark A. Siddoway
Assignee (at issue)
Tek-Kol
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.