Granted Patent
Utility
US 5,008,831 · App. 07/296,019
Method for producing high quality chemical structure diagrams
Inventor:
Alfred P. Feldman
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Jan 12, 1989
Inventor
Alfred P. Feldman
Assignee (at issue)
Department of Health and Human Services
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.