Granted Patent
Utility
US 6,558,231 · App. 09/688,378
Sequential electromachining and electropolishing of metals and the like using modulated electric fields
Inventor:
E. Jennings Taylor
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Oct 17, 2000
Inventor
E. Jennings Taylor
Assignee (at issue)
Faraday Technology Marketing Group, LLC
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.