Granted Patent
Utility
US 5,414,555 · App. 08/048,575
Method for the manufacture of a three-mirror optical system and the optical system resulting therefrom
Inventors:
Gilbert Y. Chan, Kenneth G. Preston
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Apr 15, 1993
Inventors
Gilbert Y. Chan
Kenneth G. Preston
Assignee (at issue)
AEROJET-GENERAL CORPORATION
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.