Granted Patent
Utility
US 4,742,872 · App. 06/893,174
Helically wrapped wire screen assembly and fitting therefor
Inventor:
Bruce R. Geske
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Aug 5, 1986
Inventor
Bruce R. Geske
Assignee (at issue)
Signal Environmental Systems, Inc.
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.