Granted Patent
Utility
US 5,199,273 · App. 07/589,929
Reach-in cooler with interchangeable refrigerator and freezer systems
Inventors:
Robert K. Silva, Kenneth L. Kaiser
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Sep 28, 1990
Inventors
Robert K. Silva
Kenneth L. Kaiser
Assignee (at issue)
The Manitowoc Company, 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.