Granted Patent
Utility
US 5,882,482 · App. 08/661,274
Convergent flow headbox
Inventors:
Daniel H. Sze, Theodore G. Waech
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jun 10, 1996
Inventors
Daniel H. Sze
Theodore G. Waech
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.