Granted Patent
Utility
US 5,496,696 · App. 08/114,669
Silver halide imaging materials
Inventors:
Ranjan C. Patel, Kevin P. Hall
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: Aug 31, 1993
Inventors
Ranjan C. Patel
Kevin P. Hall
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.