Granted Patent
Utility
US 5,644,643 · App. 08/647,221
Chute for use with an animal evaluation system
Inventors:
Wayne W. Scofield, Mark A. Engelstad
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: May 9, 1996
Inventors
Wayne W. Scofield
Mark A. Engelstad
Assignee (at issue)
C-Scan, 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.