Granted Patent
Utility
US 4,701,045 · App. 06/822,852
Method and apparatus for reducing optical artifacts
Inventor:
William T. Plummer
Patented Case
View Patent ↗
Granted: Oct 20, 1987
Filed: Jan 27, 1986
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.