Granted Patent
Utility
US 4,415,396 · App. 06/423,776
Apparatus for making filament reinforced plastic screen
Inventor:
Walter R. Wagner
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Sep 27, 1982
Inventor
Walter R. Wagner
Assignee (at issue)
UOP LLC
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.