Granted Patent
Utility
US 6,231,964 · App. 09/107,139
Thermal transfer ribbons with large size wax or resin particles
Inventors:
Thomas C. Miller, Jr., Yaoping Tan, Thomas J. Obringer
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Jun 30, 1998
Inventors
Thomas C. Miller, Jr.
Yaoping Tan
Thomas J. Obringer
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.