Granted Patent
Utility
US 6,482,950 · App. 08/479,077
Squarylium compounds, and processes and intermediates for the synthesis of these compounds
Inventors:
Paulina P. Garcia, John Lee, John Marshall, Donald A. McGowan, Anthony J. Puttick, Thomas K. Spencer, Stephen G. Stroud, Stephen J. Telfer, Michael J. Zuraw
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Jun 6, 1995
Inventors
Paulina P. Garcia
John Lee
John Marshall
Donald A. McGowan
Anthony J. Puttick
Thomas K. Spencer
Stephen G. Stroud
Stephen J. Telfer
Michael J. Zuraw
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.