Granted Patent
Utility
US 5,491,058 · App. 08/495,913
Film for duplicating silver images in radiographic films
Inventors:
Ralph W. Jones, Catherine C. Wideman, Paul W. Twombly
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Jun 28, 1995
Inventors
Ralph W. Jones
Catherine C. Wideman
Paul W. Twombly
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.