Granted Patent
Utility
US 6,558,513 · App. 09/866,830
Non-aqueous release from paper machine equipment
Inventors:
Jacqueline K. Pease, William A. Hendriks
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: May 29, 2001
Inventors
Jacqueline K. Pease
William A. Hendriks
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.