Granted Patent
Utility
US 4,368,676 · App. 06/169,248
Apparatus for collection of gases and particulates in a furnace feed system
Inventors:
Arthur J. Henriksen, Klaus F. Thiel, Carl F. Petersen
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Jul 16, 1980
Inventors
Arthur J. Henriksen
Klaus F. Thiel
Carl F. Petersen
Assignee (at issue)
FMC CORPORATION
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.