Granted Patent
Utility
US 4,711,099 · App. 06/902,242
Portable quick chilling device
Inventors:
George S. Polan, Hermann R. Glinecke
Patented Case
View Patent ↗
Granted: Dec 8, 1987
Filed: Aug 29, 1986
Inventors
George S. Polan
Hermann R. Glinecke
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.