Granted Patent
Utility
US 5,509,607 · App. 08/269,067
Convertible media sootblower lance tube
Inventors:
Joel H. Booher, Cevdet G. Koksal, Ronald E. Sherrick
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Jun 30, 1994
Inventors
Joel H. Booher
Cevdet G. Koksal
Ronald E. Sherrick
Assignee (at issue)
The Babcock & Wilcox 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.