Granted Patent
Utility
US 5,885,539 · App. 08/836,718
Method for separating substances from a gaseous medium by dry adsorption
Inventors:
Odd E. Bjarn.o slashed., Geir Wedde
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jun 9, 1997
Inventors
Odd E. Bjarn.o slashed.
Geir Wedde
Assignee (at issue)
ABB Flakt AB
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.