Granted Patent
Utility
US 5,717,079 · App. 08/815,281
Color-providing compounds
Inventors:
Peter Viski, David P. Waller
Patented Case
View Patent ↗
Granted: Feb 10, 1998
Filed: Mar 10, 1997
Inventors
Peter Viski
David P. Waller
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.