Granted Patent
Utility
US 6,774,596 · App. 09/959,874
Indicator for a robotic machine
Inventor:
David Lindsey Bisset
Patented Case
View Patent ↗
Granted: Aug 10, 2004
Filed: Nov 9, 2001
Inventor
David Lindsey Bisset
Assignee (at issue)
Dyson Limited
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.