Granted Patent
Utility
US 4,583,227 · App. 06/577,651
Temperature compensating semiconductor lasers
Inventor:
Paul Anthony Kirkby
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Oct 11, 1983
Inventor
Paul Anthony Kirkby
Assignee (at issue)
ITT Industries
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.