Granted Patent
Utility
US 4,895,436 · App. 07/233,792
Mirror assembly
Inventor:
Gon-Yen Shen
Patented Case
View Patent ↗
Granted: Jan 23, 1990
Filed: Aug 19, 1988
Inventor
Gon-Yen Shen
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.