Granted Patent
Utility
US 5,041,687 · App. 07/199,197
Bromination process
Inventors:
Bonnie G. McKinnie, David R. Brackenridge
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: May 26, 1988
Inventors
Bonnie G. McKinnie
David R. Brackenridge
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.