Granted Patent
Utility
US 6,467,294 · App. 09/849,509
Apparatus and method for controlling temperature for a self-service food display
Inventors:
Darrel Jay Walker, Kenneth James Houtman, Scott McNeal
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: May 4, 2001
Inventors
Darrel Jay Walker
Kenneth James Houtman
Scott McNeal
Assignee (at issue)
Delfield Company LLC,
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.