Granted Patent
Utility
US 5,353,996 · App. 08/019,747
Sootblower frame and drive assembly
Inventors:
William S. Gallacher, Steven Ginter, Steven Pavel
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Feb 18, 1993
Inventors
William S. Gallacher
Steven Ginter
Steven Pavel
Assignee (at issue)
Boise Cascade 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.