Granted Patent
Utility
US 6,587,648 · App. 09/998,414
Developer supply device
Inventor:
Yoshiharu Taniyama
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Dec 3, 2001
Inventor
Yoshiharu Taniyama
Assignees (at issue)
Kabushiki Kaisha Toshiba
TOSHIBA TEC KABUSHIKI KAISHA
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.