Granted Patent
Utility
US 6,808,770 · App. 10/054,730
Heat-resistant film and thermal transfer recording medium
Inventors:
Takashi Nozawa, Tetsuya Abe
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jan 22, 2002
Inventors
Takashi Nozawa
Tetsuya Abe
Assignee (at issue)
Sony Chemicals 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.