Granted Patent
Utility
US 5,619,921 · App. 08/380,155
Width adjusting device and method for a paper web
Inventors:
Takashi Iijima, Hideo Ohta
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jan 30, 1995
Inventors
Takashi Iijima
Hideo Ohta
Assignee (at issue)
Kabushiki Kaisha Tokyo Kikai Seisakusho
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.