Granted Patent
Utility
US 4,790,909 · App. 07/173,006
Two-wire paper forming apparatus
Inventor:
John W. Harwood
Patented Case
View Patent ↗
Granted: Dec 13, 1988
Filed: Mar 28, 1988
Inventor
John W. Harwood
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.