Granted Patent
Utility
US 4,480,564 · App. 06/488,898
Button locating clamp for sewing machines
Inventor:
Gary W. Ponte
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Apr 27, 1983
Inventor
Gary W. Ponte
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.