IP Library Granted Patent US 5,466,421
Granted Patent Utility
US 5,466,421 · App. 08/172,870

Apparatus for the catalytic conversion of waste gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide

Inventors: Klaus Deller, Hans Moesinger, Herbert Mueller, Josef Riedl, Wenzel Kuehn, Rudolf Spielmannleitner
Patented Case View Patent ↗
Granted: Nov 14, 1995 Filed: Dec 28, 1993
Inventors
Klaus Deller
Hans Moesinger
Herbert Mueller
Josef Riedl
Wenzel Kuehn
Rudolf Spielmannleitner
Assignee (at issue)
Degussa AG

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,466,421
App. No.
08/172,870
Filed
1993-12-28
Granted
1995-11-14
Kind
A