Granted Patent
Utility
US 4,389,955 · App. 06/265,506
Thread holding finger for bobbin winding mechanism of a sewing machine
Inventors:
Robert H. Larsen, Anthony Giaimo
Patented Case
View Patent ↗
Granted: Jun 28, 1983
Filed: May 20, 1981
Inventors
Robert H. Larsen
Anthony Giaimo
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.