Granted Patent
Utility
US 5,133,471 · App. 07/732,999
Stop devices for cap threads
Inventor:
Juan Pujol Almirall
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Jul 18, 1991
Inventor
Juan Pujol Almirall
Assignee (at issue)
Ultimos Desarrollos, S.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.