Granted Patent
Utility
US 6,591,979 · App. 10/251,247
Sanitary conveyor frame
Inventor:
Daniel P. Karpy
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Sep 20, 2002
Inventor
Daniel P. Karpy
Assignee (at issue)
Material Systems Engineering Corp.
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.