Granted Patent
Utility
US 4,597,281 · App. 06/653,122
Process for forming articles by heading
Inventors:
David S. Brandt, Samuel J. Costello
Patented Case
View Patent ↗
Granted: Jul 1, 1986
Filed: Sep 21, 1984
Inventors
David S. Brandt
Samuel J. Costello
Assignee (at issue)
ALLIED CONSULTING, 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.