Granted Patent
Utility
US 6,513,448 · App. 09/988,192
Sewing machine having balance
Inventor:
Hajime Kobayashi
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Nov 19, 2001
Inventor
Hajime Kobayashi
Assignee (at issue)
Jaguar International 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.