Granted Patent
Utility
US 4,628,124 · App. 06/778,710
Tetrabromobisphenol-A process
Inventors:
Bonnie G. McKinnie, Olan Wayne Mitchell
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Sep 23, 1985
Inventors
Bonnie G. McKinnie
Olan Wayne Mitchell
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.