Granted Patent
Utility
US 6,516,893 · App. 09/874,428
Residential sprinkler arrangement
Inventor:
Oliver Pahila
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Jun 5, 2001
Inventor
Oliver Pahila
Assignee (at issue)
The Reliable Automatic Sprinkler Co. 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.