Granted Patent
Utility
US 4,044,814 · App. 05/705,859
Method of finless cold forming of sewing machine needle
Inventor:
Josef Zocher
Patented Case
View Patent ↗
Granted: Aug 30, 1977
Filed: Jul 16, 1976
Inventor
Josef Zocher
Assignee (at issue)
The Singer Company Limited
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.