Granted Patent
Utility
US 6,239,202 · App. 09/301,927
Additive and method for enhancing the heat age properties of elastomers
Inventors:
John Aibangbee Osaheni, James E. Doin, Edwin R. Evans
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Apr 29, 1999
Inventors
John Aibangbee Osaheni
James E. Doin
Edwin R. Evans
Assignee (at issue)
General Electric 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.