Granted Patent
Utility
US 5,012,291 · App. 07/355,994
Powder transport, fusing and imaging apparatus
Inventors:
William R. Buchan, Robert A. Moore, Wendell J. Caley, Jr., Mark A. Gilmore, David Hudson
Patented Case
View Patent ↗
Granted: Apr 30, 1991
Filed: May 23, 1989
Inventors
William R. Buchan
Robert A. Moore
Wendell J. Caley, Jr.
Mark A. Gilmore
David Hudson
Assignee (at issue)
Delphax Systems
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.