Granted Patent
Utility
US 6,175,673 · App. 09/181,998
Lensed sleeve
Inventor:
Gary S. Duck
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Oct 29, 1998
Inventor
Gary S. Duck
Assignee (at issue)
JDS Fitel Inc.
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.