Granted Patent
Utility
US 6,147,136 · App. 09/162,454
Dental compositions based on ROMP oligomers and polymers
Inventor:
Peter Bissinger
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Sep 29, 1998
Inventor
Peter Bissinger
Assignee (at issue)
ESPE Dental AG
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.