Granted Patent
Utility
US 4,295,918 · App. 06/107,488
Apparatus for assembling a plastic mining screen
Inventors:
Henry E. Benson, Terrence D. Moravec
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Dec 26, 1979
Inventors
Henry E. Benson
Terrence D. Moravec
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.