Granted Patent
Utility
US 4,483,263 · App. 06/614,580
Needle bight control mechanism for a sewing machine
Inventor:
William Weisz
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: May 29, 1984
Inventor
William Weisz
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.