Granted Patent
Utility
US 4,349,679 · App. 06/038,023
Pyrrolidino and piperidino benz ring substituted phthalides
Inventors:
Robert Garner, Michael J. Whitehead
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: May 10, 1979
Inventors
Robert Garner
Michael J. Whitehead
Assignee (at issue)
Giba-Geigy Corporation
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.