Granted Patent
Utility
US 5,866,643 · App. 08/717,963
High print quality thermal transfer ribbons
Inventors:
Yaoping Tan, Marion E. McCreight, Shashi G. Talvalkar
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Sep 23, 1996
Inventors
Yaoping Tan
Marion E. McCreight
Shashi G. Talvalkar
Assignee (at issue)
NCR Corporation
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.