Granted Patent
Utility
US 5,166,525 · App. 07/653,622
Through the wafer optical transmission sensor
Inventors:
Edward G. Rodgers, Ottavio T. Rotondale
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Feb 11, 1991
Inventors
Edward G. Rodgers
Ottavio T. Rotondale
Assignee (at issue)
Xinix, 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.