Granted Patent
Utility
US 4,863,914 · App. 06/849,387
Penem derivatives
Inventors:
Ettore Perrone, Marco Alpegiani, Angelo Bedeschi, Franco Zarini, Giovanni Franceschi, Costantino D. Bruna
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Apr 8, 1986
Inventors
Ettore Perrone
Marco Alpegiani
Angelo Bedeschi
Franco Zarini
Giovanni Franceschi
Costantino D. Bruna
Assignee (at issue)
Farmitalia Carlo Erba S.p.A.
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.