Granted Patent
Utility
US 6,458,461 · App. 09/730,975
Release agent composition
Inventors:
Bryan Michael Blair, Kelly Ann Killeen, Kathryn Mullins
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Dec 6, 2000
Inventors
Bryan Michael Blair
Kelly Ann Killeen
Kathryn Mullins
Assignee (at issue)
Lexmark International, Inc.
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.