Granted Patent
Utility
US 4,588,262 · App. 06/637,806
Multi-laser switch
Inventor:
Roy D. Nelson
Patented Case
View Patent ↗
Granted: May 13, 1986
Filed: Aug 6, 1984
Inventor
Roy D. Nelson
Assignee (at issue)
BALL CORPORATION
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.