Granted Patent
Utility
US 5,210,321 · App. 07/766,662
Diphenyl oxide bromination process
Inventors:
Bonnie G. McKinnie, Mark Templeton
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Sep 25, 1991
Inventors
Bonnie G. McKinnie
Mark Templeton
Assignee (at issue)
Ethyl 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.