Granted Patent
Utility
US 6,656,536 · App. 10/314,356
Method of controlling spray current and voltage in electrostatic coating apparatus
Inventor:
Felix Mauchle
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Dec 9, 2002
Inventor
Felix Mauchle
Assignee (at issue)
ITW Gema GmbH
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.