Granted Patent
Utility
US 5,276,555 · App. 07/984,305
Focus adjustment assemblies for projection television
Inventor:
Blake Sansbury
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Nov 23, 1992
Inventor
Blake Sansbury
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.