Granted Patent
Utility
US 6,554,077 · App. 09/833,905
Quick response adjustable automatic sprinkler arrangements
Inventor:
George S. Polan
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Apr 12, 2001
Inventor
George S. Polan
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.