Granted Patent
Utility
US 5,583,687 · App. 08/452,412
Light beam deflection device
Inventor:
Thomas Zelenka
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: May 26, 1995
Inventor
Thomas Zelenka
Assignee (at issue)
Linotype-Hell AG
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.