Granted Patent
Utility
US 4,755,028 · App. 06/918,550
Projection lens with an aspherical corrector lens element
Inventor:
Jacob Moskovich
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Oct 14, 1986
Inventor
Jacob Moskovich
Assignee (at issue)
U.S. Precision Lens 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.