Granted Patent
Utility
US 6,714,228 · App. 09/994,966
Ink ribbon cartridge with C-shaped sideplates
Inventors:
Carl W. Holland, Donald J. Watters
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Nov 27, 2001
Inventors
Carl W. Holland
Donald J. Watters
Assignee (at issue)
Nu-kote International, Inc.
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.