Granted Patent
Utility
US 5,871,890 · App. 08/970,869
Method for processing roomlight handleable radiographic films using two-stage development
Inventors:
Alan S. Fitterman, Jeffrey S. Baugher, Robert E. Dickerson
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Nov 14, 1997
Inventors
Alan S. Fitterman
Jeffrey S. Baugher
Robert E. Dickerson
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.