Granted Patent
Utility
US 4,792,198 · App. 07/064,318
Method and apparatus for rotating one or more mirrors in a beam scanning system
Inventor:
Gregory J. Sherwood
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Jun 18, 1987
Inventor
Gregory J. Sherwood
Assignee (at issue)
Spectra-Physics, 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.