Granted Patent
Utility
US 5,612,821 · App. 08/490,946
Micro lens system for controlling an optical beam pattern
Inventor:
Lawrence E. Schmutz
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Jun 15, 1995
Inventor
Lawrence E. Schmutz
Assignee (at issue)
UNITED TECHNOLOGIES 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.