Granted Patent
Utility
US 5,960,237 · App. 08/970,861
Apparatus and method for removing foreign materials lodged inside an image forming system
Inventors:
Naoki Toyoshi, Hitoshi Sekino
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Nov 14, 1997
Inventors
Naoki Toyoshi
Hitoshi Sekino
Assignee (at issue)
Minolta 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.