Granted Patent
Utility
US 4,774,839 · App. 07/011,760
Method and apparatus for necking containers
Inventors:
Antonio Caleffi, T. William Ames, Edward S. Traczyk, Dietrich K. Naggert
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Feb 6, 1987
Inventors
Antonio Caleffi
T. William Ames
Edward S. Traczyk
Dietrich K. Naggert
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.