Granted Patent
Utility
US 5,571,348 · App. 08/348,131
Method and apparatus for improving alloy property and product produced thereby
Inventor:
Jien-Wei Yeh
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Nov 23, 1994
Inventor
Jien-Wei Yeh
Assignee (at issue)
NATIONAL TSING HUA UNIVERSITY
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.