Granted Patent
Utility
US 5,080,176 · App. 07/624,813
Directly mounted pendent-style sprinklers and covers
Inventors:
George S. Polan, George G. Meyer
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Dec 10, 1990
Inventors
George S. Polan
George G. Meyer
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.