Granted Patent
Utility
US 4,589,745 · App. 06/695,072
Geometric LED layout for line exposure
Inventor:
William T. Plummer
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Jan 25, 1985
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.