Granted Patent
Utility
US 6,569,960 · App. 09/361,539
Process to produce polymers
Inventors:
Joseph Bergmeister, III, Steven J. Secora, Elizabeth A. Benham, Max P. McDaniel
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jul 27, 1999
Inventors
Joseph Bergmeister, III
Steven J. Secora
Elizabeth A. Benham
Max P. McDaniel
Assignee (at issue)
Phillips Petroleum Company
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.