Granted Patent
Utility
US 5,213,995 · App. 07/869,980
Method of making an article comprising a periodic heteroepitaxial semiconductor structure
Inventors:
Young-Kai Chen, Minghwei Hong, Joseph Petrus Mannaerts, Ming-Chiang Wu
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Apr 16, 1992
Inventors
Young-Kai Chen
Minghwei Hong
Joseph Petrus Mannaerts
Ming-Chiang Wu
Assignee (at issue)
AT&T Bell Laboratories
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.