Granted Patent
Utility
US 4,882,594 · App. 07/252,658
Method for making a smooth, uniform image of a laser diode array
Inventor:
William T. Plummer
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Oct 3, 1988
Inventor
William T. Plummer
Assignee (at issue)
Polaroid 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.