Granted Patent
Utility
US 4,962,385 · App. 07/306,847
Exposure controlled imaging system
Inventor:
David A. Zlotek
Patented Case
View Patent ↗
Granted: Oct 9, 1990
Filed: Feb 7, 1989
Inventor
David A. Zlotek
Assignee (at issue)
Cirrus Technology 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.