Granted Patent
Utility
US 4,579,442 · App. 06/634,187
Toner dispensing method
Inventor:
Teruo Minejima
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Jul 26, 1984
Inventor
Teruo Minejima
Assignee (at issue)
Konishiroku Photo Industry 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.