Granted Patent
Utility
US 4,520,644 · App. 06/659,498
Spring coiling machine with improved cut-off means
Inventor:
Bernard P. Lampietti
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Oct 10, 1984
Inventor
Bernard P. Lampietti
Assignee (at issue)
Torin 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.