Granted Patent
Utility
US 4,843,481 · App. 07/126,402
CCD scanning apparatus for use with rotary head printer
Inventor:
William T. Plummer
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Nov 30, 1987
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.