Granted Patent
Utility
US 5,039,795 · App. 07/369,390
Preparation of boronic acid derivatives
Inventor:
Richard H. Mueller
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jun 21, 1989
Inventor
Richard H. Mueller
Assignee (at issue)
E.R. SQUIBB & SONS. INC.
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.