Granted Patent
Utility
US 5,926,320 · App. 08/864,840
Ring-lens system for efficient beam formation
Inventors:
William A. Parkyn, John M. Popovich
Patented Case
View Patent ↗
Granted: Jul 20, 1999
Filed: May 29, 1997
Inventors
William A. Parkyn
John M. Popovich
Assignee (at issue)
Teldedyne Lighting and Display Products, 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.