Granted Patent
Utility
US 4,342,271 · App. 06/292,462
Stitch length range indicating arrangement in a multiple pattern sewing machine
Inventor:
Robert John Socha
Patented Case
View Patent ↗
Granted: Aug 3, 1982
Filed: Aug 13, 1981
Inventor
Robert John Socha
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.