Granted Patent
Utility
US 4,693,569 · App. 06/308,647
Method and apparatus for optical system adjustments
Inventor:
Abe Offner
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Oct 5, 1981
Inventor
Abe Offner
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.