Granted Patent
Utility
US 4,668,175 · App. 06/737,125
Apparatus for forming deep containers
Inventor:
Raymond H. Martin
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: May 23, 1985
Inventor
Raymond H. Martin
Assignee (at issue)
Cosden Technology, 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.