Granted Patent
Utility
US 5,308,681 · App. 07/911,511
Thermal transfer recording sheet
Inventors:
Tsutomu Taki, Katsuhiko Kuroda
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: Jul 10, 1992
Inventors
Tsutomu Taki
Katsuhiko Kuroda
Assignee (at issue)
Mitsubishi Kasei 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.