Granted Patent
Utility
US 6,042,458 · App. 09/106,633
Turn base for entrained particle flow
Inventors:
Tony R. Lehnig, Frederick C. Young, David R. Linger
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jun 29, 1998
Inventors
Tony R. Lehnig
Frederick C. Young
David R. Linger
Assignee (at issue)
Cold Jet, LLC
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.