Granted Patent
Utility
US 4,326,896 · App. 06/187,606
Method of making tin-layered stock material and containers therefrom
Inventors:
Seung W. Lyu, Surya K. Misra
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Sep 15, 1980
Inventors
Seung W. Lyu
Surya K. Misra
Assignee (at issue)
National Crane 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.