Granted Patent
Utility
US 5,328,569 · App. 07/905,256
Curved suction box apparatus in a papermaking machine press section
Inventor:
Dennis C. Cronin
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Jun 26, 1992
Inventor
Dennis C. Cronin
Assignee (at issue)
Beloit Technologies, Inc.
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.