Granted Patent
Utility
US 5,453,345 · App. 08/141,852
Imaging medium
Inventors:
Jurgen M. Grasshoff, John Marshall, Richard A. Minns, Anthony J. Puttick, Lloyd D. Taylor, Stephen J. Telfer
Patented Case
View Patent ↗
Granted: Sep 26, 1995
Filed: Oct 22, 1993
Inventors
Jurgen M. Grasshoff
John Marshall
Richard A. Minns
Anthony J. Puttick
Lloyd D. Taylor
Stephen J. Telfer
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.