Granted Patent
Utility
US 5,425,040 · App. 08/233,575
Switching regulator control for a laser diode
Inventor:
John A. Krawczak
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Apr 26, 1994
Inventor
John A. Krawczak
Assignee (at issue)
Unisys 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.