Granted Patent
Utility
US 6,132,215 · App. 09/060,621
High modulus hybrid fibers for dental restorations
Inventors:
Arun Prasad, Ajit Karmaker
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Apr 15, 1998
Inventors
Arun Prasad
Ajit Karmaker
Assignee (at issue)
Jeneric/Pentron Incorporated
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.