Granted Patent
Utility
US 5,363,806 · App. 08/100,393
Pig feeding mat
Inventor:
Carl W. Van Gilst
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Aug 2, 1993
Inventor
Carl W. Van Gilst
Assignee (at issue)
Agri-Engineering, Inc.
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.