Granted Patent
Utility
US 6,571,822 · App. 09/923,866
Low blow down relief valve
Inventors:
Thomas W. Neugebauer, Richard R. Watson
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 6, 2001
Inventors
Thomas W. Neugebauer
Richard R. Watson
Assignee (at issue)
GILMORE VALVE 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.