Granted Patent
Utility
US 6,257,010 · App. 09/419,263
Merchandiser for warm and cold foods
Inventors:
Steven M. Shei, Clement J. Luebke
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Oct 11, 1999
Inventors
Steven M. Shei
Clement J. Luebke
Assignee (at issue)
DUKE MANUFACTURING CO.
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.