Granted Patent
Utility
US 4,167,972 · App. 05/863,813
Well screen mounting arrangement
Inventor:
Joe S. Sears
Patented Case
View Patent ↗
Granted: Sep 18, 1979
Filed: Dec 23, 1977
Inventor
Joe S. Sears
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.