Granted Patent
Utility
US 5,337,490 · App. 08/078,821
Single tier dryer threading nozzle for paper machines
Inventors:
Edward R. Griffin, Wesley R. Urban, Arlen J. Hintsala
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Jun 21, 1993
Inventors
Edward R. Griffin
Wesley R. Urban
Arlen J. Hintsala
Assignee (at issue)
Champion International Corporation Limited
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.