Granted Patent
Utility
US 6,222,865 · App. 09/108,971
Laser diode of the type having a buried heterostructure
Inventors:
Bjorn Stoltz, Olof Sahlen, Ulf Ohlander
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jul 2, 1998
Inventors
Bjorn Stoltz
Olof Sahlen
Ulf Ohlander
Assignee (at issue)
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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.