Granted Patent
Utility
US 5,959,657 · App. 08/990,648
Method and apparatus for shielding light in an internal drum imaging system
Inventors:
David B. Larsen, Robert Zawojski
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Dec 15, 1997
Inventors
David B. Larsen
Robert Zawojski
Assignee (at issue)
Agfa NV
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.