Granted Patent
Utility
US 5,303,251 · App. 07/977,415
Method and circuit arrangement for driving a laser diode
Inventor:
Thomas Zelenka
Patented Case
View Patent ↗
Granted: Apr 12, 1994
Filed: Feb 16, 1993
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.