Granted Patent
Utility
US 4,630,682 · App. 06/703,979
Rapid response sprinkler head
Inventor:
George S. Pieczykolan
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Feb 21, 1985
Inventor
George S. Pieczykolan
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.