Granted Patent
Utility
US 6,438,338 · App. 09/692,766
Extended life recycleable silencer assembly
Inventors:
Richard C. Mark, Richard L. Carlston, David Battat
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Oct 19, 2000
Inventors
Richard C. Mark
Richard L. Carlston
David Battat
Assignee (at issue)
Xerox 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.