Granted Patent
Utility
US 4,479,423 · App. 06/553,979
Continuous-flow type apparatus for pasteurizing batches of product
Inventors:
Steven Schwitters, John M. Frazer
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Nov 21, 1983
Inventors
Steven Schwitters
John M. Frazer
Assignee (at issue)
Taylor Freezer Company
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.