Granted Patent
Utility
US 5,115,277 · App. 07/704,572
Electrostatically assisted transfer roller and method for directly transferring liquid toner to a print medium
Inventor:
Thomas Camis
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: May 17, 1991
Inventor
Thomas Camis
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.