Granted Patent
Utility
US 6,817,195 · App. 10/113,892
Reduced energy refrigerator defrost method and apparatus
Inventors:
Alexander Pinkus Rafalovich, Ziqiang Hu, Anil Kumar Tummala, Richard DeVos
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Mar 29, 2002
Inventors
Alexander Pinkus Rafalovich
Ziqiang Hu
Anil Kumar Tummala
Richard DeVos
Assignee (at issue)
General Electric Company
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.