Granted Patent
Utility
US 4,748,151 · App. 06/893,489
Heat transfer recording sheet
Inventors:
Yukichi Murata, Takao Hirota, Hiroshi Urabe
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Aug 5, 1986
Inventors
Yukichi Murata
Takao Hirota
Hiroshi Urabe
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.