Granted Patent
Utility
US 4,536,173 · App. 06/469,217
Cup making apparatus with lubricating means
Inventor:
Craig Puls
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Feb 24, 1983
Inventor
Craig Puls
Assignee (at issue)
Holiday Cups, 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.