Granted Patent
Utility
US 5,258,263 · App. 07/757,076
Printing plate and methods of making and use same
Inventors:
Zafarullah K. Cheema, Anthony C. Giudice, Eugene L. Langlais, Clarence F. St. Jacques
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Sep 10, 1991
Inventors
Zafarullah K. Cheema
Anthony C. Giudice
Eugene L. Langlais
Clarence F. St. Jacques
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.