Granted Patent
Utility
US 5,157,555 · App. 07/802,231
Apparatus for adjustable correction of spherical aberration
Inventor:
Charles W. Reno
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Dec 4, 1991
Inventor
Charles W. Reno
Assignee (at issue)
General Electric Company
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.