Granted Patent
Utility
US 5,857,784 · App. 08/789,812
Image position error detection technique
Inventor:
Roy D. Allen
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Jan 28, 1997
Inventor
Roy D. Allen
Assignee (at issue)
Bayer Corporation -- Agfa Division
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.