Granted Patent
Utility
US 6,682,611 · App. 10/020,386
Formation of Zr-based bulk metallic glasses from low purity materials by yttrium addition
Inventors:
Yong Zhang, Ming Xiang Pan, De ZHAO, Wei Wang
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Oct 30, 2001
Inventors
Yong Zhang
Ming Xiang Pan
De ZHAO
Wei Wang
Assignee (at issue)
LIQUIDMETAL TECHNOLOGIES, 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.