Granted Patent
Utility
US 6,390,813 · App. 09/928,564
Dental and orthodontic articles of reactive metals
Inventors:
Farrokh Farzin-Nia, Rohit Sachdeva
Patented Case
View Patent ↗
Granted: May 21, 2002
Filed: Aug 13, 2001
Inventors
Farrokh Farzin-Nia
Rohit Sachdeva
Assignee (at issue)
Ormco Corporation
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.