Granted Patent
Utility
US 6,187,348 · App. 09/263,890
Process for heat treating food product
Inventor:
Louis S. Polster
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Mar 8, 1999
Inventor
Louis S. Polster
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.