Granted Patent
Utility
US 5,860,849 · App. 08/823,132
Liquid abrasive jet focusing tube for making non-perpendicular cuts
Inventor:
Mitchell O. Miller
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Mar 25, 1997
Inventor
Mitchell O. Miller
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.