Granted Patent
Utility
US 4,744,089 · App. 06/864,348
Monolithic semiconductor laser and optical amplifier
Inventors:
Andrew H. Montroll, Steven H. Macomber
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: May 19, 1986
Inventors
Andrew H. Montroll
Steven H. Macomber
Assignee (at issue)
PerkinElmer, 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.