Granted Patent
Utility
US 4,785,648 · App. 07/029,460
Method and apparatus for embossing the inside surface of a cup-shaped article
Inventors:
John D. Budrean, John A. Kirkpatrick
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Mar 23, 1987
Inventors
John D. Budrean
John A. Kirkpatrick
Assignee (at issue)
Allied Products 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.