Granted Patent
Utility
US 4,674,860 · App. 06/766,770
Image transfer device
Inventors:
Hiroshi Tokunaga, Shinobu Soma, Naoki Aoki, Tatsufumi Kusuda
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Aug 16, 1985
Inventors
Hiroshi Tokunaga
Shinobu Soma
Naoki Aoki
Tatsufumi Kusuda
Assignee (at issue)
Konishiroku Photo Industry 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.