Granted Patent
Utility
US 4,942,407 · App. 07/416,497
Scanning type image recording apparatus
Inventor:
Hiroyuki Tadokoro
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: Oct 3, 1989
Inventor
Hiroyuki Tadokoro
Assignee (at issue)
HITACHI, 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.