Granted Patent
Utility
US 4,620,790 · App. 06/599,909
System for determining optical aberrations of a telescope optical system
Inventor:
Robert E. Hufnagel
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Apr 13, 1984
Inventor
Robert E. Hufnagel
Assignee (at issue)
PerkinElmer, Inc.
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.