Granted Patent
Utility
US 4,305,772 · App. 06/113,776
Method for forming an interlocked assembly
Inventor:
Emery I. Valyi
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Jan 21, 1980
Inventor
Emery I. Valyi
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.