Granted Patent
Utility
US 6,336,429 · App. 09/585,878
Drumless natural circulation boiler
Inventors:
Murray Wiener, Ernst H. Mayer, Melvin J. Albrecht
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Jun 1, 2000
Inventors
Murray Wiener
Ernst H. Mayer
Melvin J. Albrecht
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.