Granted Patent
Utility
US 6,446,732 · App. 09/689,465
VELO ECOH sprinkler arrangement
Inventor:
George S. Polan
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Oct 12, 2000
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.