Granted Patent
Utility
US 5,291,260 · App. 07/984,803
Image forming apparatus having a transfer drum with a vacuum sheet holding mechanism
Inventors:
Kevin M. Johnson, Dwight J. Petruchik
Patented Case
View Patent ↗
Granted: Mar 1, 1994
Filed: Dec 3, 1992
Inventors
Kevin M. Johnson
Dwight J. Petruchik
Assignee (at issue)
EASTMAN KODAK COMPANY
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.