Granted Patent
Utility
US 6,592,481 · App. 09/800,506
Synchronous drive arrangement for a printer
Inventors:
Hisashi Sato, Keiichi Chiba
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Mar 8, 2001
Inventors
Hisashi Sato
Keiichi Chiba
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.