Granted Patent
Utility
US 4,530,228 · App. 06/477,372
Apparatus for producing seamless container bodies
Inventors:
Walter W. Snyder, Dennis Dettmer
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Mar 21, 1983
Inventors
Walter W. Snyder
Dennis Dettmer
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.