Granted Patent
Utility
US 4,354,528 · App. 06/214,857
Poppet damper with gas flow turning means
Inventor:
Miles J. McAndrew
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Dec 10, 1980
Inventor
Miles J. McAndrew
Assignee (at issue)
UOP LLC
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.