Granted Patent
Utility
US 6,746,777 · App. 09/820,072
Alternative substrates for epitaxial growth
Inventor:
Wen-Yen Hwang
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Mar 28, 2001
Inventor
Wen-Yen Hwang
Assignee (at issue)
Applied Optoelectronics, 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.