Granted Patent
Utility
US 4,815,820 · App. 06/860,930
Method and apparatus for aligning a diffraction grating for tuning the output of a laser
Inventors:
John McNeil, Robin A. Reeder
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: May 8, 1986
Inventors
John McNeil
Robin A. Reeder
Assignee (at issue)
Hughes Aircraft 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.