Granted Patent
Utility
US 5,844,697 · App. 08/496,695
Combined dust protection and dark calibration slide for a flat-bed scanner
Inventors:
John F. Omvik, Joseph A. Wheeler, Mark G. Brook, Kevin J. Haded, Mark E. Tellam, Patrick Pandelaers
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jun 29, 1995
Inventors
John F. Omvik
Joseph A. Wheeler
Mark G. Brook
Kevin J. Haded
Mark E. Tellam
Patrick Pandelaers
Assignee (at issue)
Agfa Division--Bayer Corporation
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.