Granted Patent
Utility
US 4,409,913 · App. 06/411,148
Buttonhole presser device for sewing machines
Inventors:
Kenneth D. Adams, Marvin Kurland, Richard Mead, Ferdinand P. Oliva, Terry L. Wilson
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Aug 25, 1982
Inventors
Kenneth D. Adams
Marvin Kurland
Richard Mead
Ferdinand P. Oliva
Terry L. Wilson
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.