Granted Patent
Utility
US 4,307,553 · App. 06/151,942
Seam for joining roofing panels and method therefor
Inventor:
Hubert L. Puckett
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: May 21, 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.