Granted Patent
Utility
US 6,566,623 · App. 09/870,351
Method and apparatus for electric discharge machining with a dressing tool
Inventor:
Richard B. McPhillips
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: May 30, 2001
Inventor
Richard B. McPhillips
Assignee (at issue)
HARVEST PRECISION COMPONENTS, 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.