Granted Patent
Utility
US 5,977,521 · App. 08/825,358
Universal electric chafer heater
Inventors:
Anil Mehta, Ralph M. Francis, Jr.
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Mar 28, 1997
Inventors
Anil Mehta
Ralph M. Francis, Jr.
Assignee (at issue)
The Vollrath Company, L.L.C.
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.