Granted Patent
Utility
US 5,532,247 · App. 08/392,648
Neurotransmitter releasers useful for cognition enhancement
Inventors:
Wendell W. Wilkerson, Richard A. Earl, Matthew E. Voss
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: Feb 23, 1995
Inventors
Wendell W. Wilkerson
Richard A. Earl
Matthew E. Voss
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.