Granted Patent
Utility
US 5,488,826 · App. 08/093,772
Heat isolated catalytic reactor
Inventor:
Norbert Paas
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Jul 19, 1993
Inventor
Norbert Paas
Assignee (at issue)
Dry Systems Technologies
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.