Granted Patent
Utility
US 5,116,113 · App. 07/579,942
Laser eye protective devices
Inventor:
Nori Y. C. Chu
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Sep 10, 1990
Inventor
Nori Y. C. Chu
Assignee (at issue)
American Optical 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.