Granted Patent
Utility
US 6,136,864 · App. 08/937,408
Denaturants for sympathomimetic amine salts
Inventors:
W. Michael Nichols, William Bess, Stanley J. Lech
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Sep 25, 1997
Inventors
W. Michael Nichols
William Bess
Stanley J. Lech
Assignee (at issue)
WARNER-LAMBERT COMPANY LLC
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.