Granted Patent
Utility
US 5,814,643 · App. 08/861,545
Sulfonamide fibrinogen receptor antagonists
Inventors:
Mark E. Duggan, Melissa Egbertson, Wasyl Halczenko, George D. Hartman, William L. Laswell
Patented Case
View Patent ↗
Granted: Sep 29, 1998
Filed: May 22, 1997
Inventors
Mark E. Duggan
Melissa Egbertson
Wasyl Halczenko
George D. Hartman
William L. Laswell
Assignee (at issue)
MERCK & CO., 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.