Granted Patent
Utility
US 5,070,508 · App. 06/860,447
Semiconductor laser with adjustable light beam
Inventor:
Jacob M. Hammer
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: May 7, 1986
Inventor
Jacob M. Hammer
Assignee (at issue)
General Electric Company
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.