Granted Patent
Utility
US 6,300,557 · App. 09/416,014
Low-bandgap double-heterostructure InAsP/GaInAs photovoltaic converters
Inventor:
Mark W. Wanlass
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Oct 8, 1999
Inventor
Mark W. Wanlass
Assignee (at issue)
Midwest Research Institute, 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.