Granted Patent
Utility
US 5,270,792 · App. 07/657,289
Dynamic lateral shearing interferometer
Inventor:
James J. Snyder
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Feb 19, 1991
Inventor
James J. Snyder
Assignee (at issue)
Blue Sky Research
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.