Granted Patent
Utility
US 4,499,838 · App. 06/646,889
Pattern data storage by equations in an electronically controlled sewing machine
Inventor:
Alfonse N. Voza
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Sep 4, 1984
Inventor
Alfonse N. Voza
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.