Granted Patent
Utility
US 5,218,480 · App. 07/801,058
Retrofocus wide angle lens
Inventor:
Jacob Moskovich
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Dec 3, 1991
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.