Granted Patent
Utility
US 6,190,822 · App. 09/514,871
High contrast visually adaptive radiographic film and imaging assembly
Inventors:
Robert E. Dickerson, Phillip C. Bunch
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Feb 28, 2000
Inventors
Robert E. Dickerson
Phillip C. Bunch
Assignee (at issue)
EASTMAN KODAK 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.