Granted Patent
Utility
US 5,153,659 · App. 07/612,791
Multicolor electrophotographic development system with detachable liquid developing devices rotatably mounted
Inventors:
Romaine Maiefski, Jon Guy, David Hoover Feather
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Nov 14, 1990
Inventors
Romaine Maiefski
Jon Guy
David Hoover Feather
Assignee (at issue)
Colorep, Inc.
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.