Granted Patent
Utility
US 4,856,895 · App. 07/178,825
Method and apparatus for headbox jet velocity measurement
Inventor:
Daniel Parker
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Apr 5, 1988
Inventor
Daniel Parker
Assignee (at issue)
Beloit Corporation
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.