Granted Patent
Utility
US 5,846,308 · App. 08/046,019
Emulsifier system for rosin sizing agents
Inventor:
Rodrigue V. Lauzon
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Mar 18, 1998
Inventor
Rodrigue V. Lauzon
Assignee (at issue)
HERCULES LLC
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.