Granted Patent
Utility
US 6,601,396 · App. 10/006,674
Freezer defrost method and apparatus
Inventors:
Richard H. Bair, III, Chuan Weng
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Dec 10, 2001
Inventors
Richard H. Bair, III
Chuan Weng
Assignee (at issue)
Kendro Laboratory Products, Inc.
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.