Granted Patent
Utility
US 6,616,916 · App. 10/016,550
Transparent dentifrices
Inventors:
Rajeev B. Karpe, Sunil Sadanand Nadkarni, Ramanathan Ramakrishnan, John A. Kostinko
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Dec 10, 2001
Inventors
Rajeev B. Karpe
Sunil Sadanand Nadkarni
Ramanathan Ramakrishnan
John A. Kostinko
Assignee (at issue)
J.M. Huber 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.