Granted Patent
Utility
US 6,796,434 · App. 09/969,159
Sheet handling machine with thickness detection of multiple parts of sheet
Inventors:
Yutaka Kako, Riichi Katou
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Oct 3, 2001
Inventors
Yutaka Kako
Riichi Katou
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.