Granted Patent
Utility
US 6,200,203 · App. 09/237,582
Abrasive delivery system
Inventors:
Jian Xu, Kevin D. Otterstatter, Jude J. Lague
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Jan 26, 1999
Inventors
Jian Xu
Kevin D. Otterstatter
Jude J. Lague
Assignee (at issue)
Jet Edge Division of TM/American Monorail, 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.