Granted Patent
Utility
US 6,759,621 · App. 10/466,557
Cylindrical hole and form centering and drilling device
Inventor:
Jean-Jacques Varin
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jul 25, 2003
Inventor
Jean-Jacques Varin
Assignee (at issue)
SNECMA Moteurs
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.