Granted Patent
Utility
US 5,146,277 · App. 07/763,386
Dual-flow ribbon blender having interstream mixing member
Inventors:
Richard S. Fox, Frederick J. Case
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Sep 20, 1991
Inventors
Richard S. Fox
Frederick J. Case
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.