Granted Patent
Utility
US 6,502,643 · App. 09/183,990
Low pressure, early suppression fast response sprinklers
Inventors:
Stephen J. Meyer, George S. Polan, James E. Golinveaux
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Nov 2, 1998
Inventors
Stephen J. Meyer
George S. Polan
James E. Golinveaux
Assignee (at issue)
CENTRAL SPRINKLER CORPORATION
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.