Granted Patent
Utility
US 4,247,230 · App. 05/974,604
Device for transporting and delivering slide fasteners to a packing case
Inventor:
Karl-Heinz Forster
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Dec 29, 1978
Inventor
Karl-Heinz Forster
Assignee (at issue)
Yoshida Kogyo K.K.
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.