Granted Patent
Utility
US 4,096,911 · App. 05/813,047
Channel base well screen
Inventor:
Bruce R. Geske
Patented Case
View Patent ↗
Granted: Jun 27, 1978
Filed: Jul 5, 1977
Inventor
Bruce R. Geske
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.