Granted Patent
Utility
US 4,932,355 · App. 06/912,042
Method for removing a developer mix from a developing station
Inventor:
Manfred Neufeld
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Sep 26, 1986
Inventor
Manfred Neufeld
Assignee (at issue)
Siemens Aktiengesellschaft
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.