Granted Patent
Utility
US 5,017,728 · App. 07/569,850
Tetrabromobisphenol-A process
Inventors:
Bonnie G. McKinnie, Daniel Alan Wood
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Aug 20, 1990
Inventors
Bonnie G. McKinnie
Daniel Alan Wood
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.