Granted Patent
Utility
US 4,300,375 · App. 06/137,533
Tool pack for container body maker
Inventors:
Edward G. Maeder, Harry P. Proctor
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Apr 4, 1980
Inventors
Edward G. Maeder
Harry P. Proctor
Assignee (at issue)
National Crane Corporation
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.