Granted Patent
Utility
US 4,201,378 · App. 05/906,379
Skew detector
Inventor:
Kenneth A. Hams
Patented Case
View Patent ↗
Granted: May 6, 1980
Filed: May 16, 1978
Inventor
Kenneth A. Hams
Assignee (at issue)
Bell and Howell, LLC
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.