Granted Patent
Utility
US 4,226,199 · App. 06/100,762
Sewing machine six motion work feeding mechanism
Inventor:
Kenneth D. Adams
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Dec 6, 1979
Inventor
Kenneth D. Adams
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.