Granted Patent
Utility
US 5,843,306 · App. 08/834,446
Temporary silt guard for storm water collection basin inlet
Inventor:
Earl R. Singleton
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Apr 16, 1997
Inventor
Earl R. Singleton
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.