Granted Patent
Utility
US 5,237,112 · App. 07/934,383
Process for tetrabromobisphenol-A
Inventor:
David LaRose
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Aug 31, 1992
Inventor
David LaRose
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.