Granted Patent
Utility
US 5,824,139 · App. 08/849,547
Adsorber for purifying combustion gases
Inventor:
Hermann Bruggendick
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: May 14, 1997
Inventor
Hermann Bruggendick
Assignee (at issue)
STEAG GmbH
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.