Granted Patent
Utility
US 5,447,606 · App. 08/059,673
Method of and apparatus for capturing coke oven charging emissions
Inventor:
Charles W. Pruitt
Patented Case
View Patent ↗
Granted: Sep 5, 1995
Filed: May 12, 1993
Inventor
Charles W. Pruitt
Assignee (at issue)
Sun Coal Company
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.