Granted Patent
Utility
US 5,873,180 · App. 08/719,498
Papermaking dryer section with partitioned vacuum box for threading
Inventor:
Thomas K. Grunder
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Sep 25, 1996
Inventor
Thomas K. Grunder
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.