Granted Patent
Utility
US 4,372,022 · App. 06/143,192
Machine for progressively closing flanges of cap strips on standing rib roofs
Inventor:
Hubert L. Puckett
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Apr 24, 1980
Inventor
Hubert L. Puckett
Assignee (at issue)
The Ceco 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.