Granted Patent
Utility
US 4,633,277 · App. 06/748,252
Heat-sensitive recording material
Inventors:
Toshitake Suzuki, Fumio Hama, Mitsuru Kondo
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Jun 24, 1985
Inventors
Toshitake Suzuki
Fumio Hama
Mitsuru Kondo
Assignee (at issue)
Kanzaki Paper Manufacturing Co., 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.