Granted Patent
Utility
US 4,894,120 · App. 07/127,525
Twin wire forming apparatus
Inventor:
Merle W. North
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Dec 2, 1987
Inventor
Merle W. North
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.