Granted Patent
Utility
US 6,603,946 · App. 09/855,490
Image forming apparatus for synthetic resin sheets
Inventors:
Hiroshi Akema, Haruki Morikawa, Masamune Koyanagi, Noboru Onodera
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: May 16, 2001
Inventors
Hiroshi Akema
Haruki Morikawa
Masamune Koyanagi
Noboru Onodera
Assignee (at issue)
Tohoku Ricoh 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.