Granted Patent
Utility
US 6,196,755 · App. 09/305,938
Locking device for projection television lens assembly
Inventors:
Livyn O. Okorocha, Wilton Ray Purvis
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: May 6, 1999
Inventors
Livyn O. Okorocha
Wilton Ray Purvis
Assignee (at issue)
CORNING INCORPORATED
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.