Granted Patent
Utility
US 4,897,671 · App. 07/300,570
Integrated optic print head
Inventors:
Amaresh Mahapatra, Roy W. Miller, Elias Snitzer
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Jan 23, 1989
Inventors
Amaresh Mahapatra
Roy W. Miller
Elias Snitzer
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.