Granted Patent
Utility
US 6,461,405 · App. 09/810,659
Method of operating an electrostatic precipitator
Inventor:
Victor Reyes
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Mar 19, 2001
Inventor
Victor Reyes
Assignee (at issue)
F.L. Smidth Airtech A/S
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.