Granted Patent
Utility
US 5,363,660 · App. 08/081,499
Orbital type freezing apparatus and method
Inventors:
Yao Li, Albert P. Yundt, Jr., I-Chieng Ho, Henry V. Huang
Patented Case
View Patent ↗
Granted: Nov 15, 1994
Filed: Jun 22, 1993
Inventors
Yao Li
Albert P. Yundt, Jr.
I-Chieng Ho
Henry V. Huang
Assignee (at issue)
Y.T. Li Engineering, 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.