Granted Patent
Utility
US 5,333,401 · App. 08/011,753
Carpet seaming iron with air gap between cooling plates
Inventor:
James Klein
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Feb 1, 1993
Inventor
James Klein
Assignee (at issue)
Roberts Consolidated Industries, 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.