Granted Patent
Utility
US 6,102,106 · App. 09/353,566
Method of servicing a helical coil heat exchanger with removable end plates
Inventors:
Frank Manning, Ronald L. Grace
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Jul 14, 1999
Inventors
Frank Manning
Ronald L. Grace
Assignee (at issue)
Flowserve Management Company
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.