Granted Patent
Utility
US 6,424,412 · App. 09/651,165
Efficient system and method for detecting and correcting laser misalignment of plural laser beams
Inventor:
Edward W. Matthews
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Aug 30, 2000
Inventor
Edward W. Matthews
Assignees (at issue)
SONY GROUP CORPORATION
SONY ELECTRONICS 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.