Granted Patent
Utility
US 6,441,355 · App. 09/813,239
Microwave heating using independently controllable internal and external antennae
Inventor:
Nigel Thorneywork
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Mar 20, 2001
Inventor
Nigel Thorneywork
Assignee (at issue)
Merrychef Limited
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.