Granted Patent
Utility
US 5,143,671 · App. 07/607,409
Fluidized bed process for treating pigments
Inventors:
Kimberly T. Peters, E. Phillip Smith, Shane Kipley Kirk
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Oct 31, 1990
Inventors
Kimberly T. Peters
E. Phillip Smith
Shane Kipley Kirk
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.