Granted Patent
Utility
US 4,463,695 · App. 06/461,825
Feeding mechanism for double pointed looper sewing machine
Inventor:
Karl H. Killinger
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Jan 28, 1983
Inventor
Karl H. Killinger
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.