Granted Patent
Utility
US 5,775,161 · App. 08/743,847
Staggered die method and apparatus for necking containers
Inventors:
Antonio Caleffi, William A. Hecimovich, Timothy R. Wright, Leo Hayden
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Nov 5, 1996
Inventors
Antonio Caleffi
William A. Hecimovich
Timothy R. Wright
Leo Hayden
Assignee (at issue)
American National Can Company
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.