Granted Patent
Utility
US 6,784,400 · App. 10/377,902
Method of short pulse hole drilling without a resultant pilot hole and backwall damage
Inventors:
Paul S. Banks, Brent C. Stuart, Michael D. Perry
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Mar 3, 2003
Inventors
Paul S. Banks
Brent C. Stuart
Michael D. Perry
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.