Granted Patent
Utility
US 4,173,138 · App. 05/846,420
Can bodymaker having improved ram support and drive
Inventors:
Ralph Main, Elpidifor Paramonoff
Patented Case
View Patent ↗
Granted: Nov 6, 1979
Filed: Oct 28, 1977
Inventors
Ralph Main
Elpidifor Paramonoff
Assignee (at issue)
Standun, Inc.
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.