Granted Patent
Utility
US 5,139,176 · App. 07/566,377
Apparatus for metered filling of toner from a reservoir into the developing station of a printer or copier device
Inventors:
Peter Reindl, Albert Eben
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Aug 30, 1990
Inventors
Peter Reindl
Albert Eben
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.