Granted Patent
Utility
US 6,714,715 · App. 09/953,754
Optical device, system and method for detecting a condition in an optical device
Inventor:
Steven R. Johnson
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Sep 17, 2001
Inventor
Steven R. Johnson
Assignee (at issue)
TerraWorx, 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.