Granted Patent
Utility
US 4,269,129 · App. 06/063,897
Retractable retaining device for sewing machine support plate
Inventor:
Edward J. Tullman
Patented Case
View Patent ↗
Granted: May 26, 1981
Filed: Aug 6, 1979
Inventor
Edward J. Tullman
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.