Granted Patent
Utility
US 4,524,708 · App. 06/639,660
Noise suppression and thread control arrangement for a sewing machine
Inventors:
Donald Rodda, Charles R. Odermann
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Aug 13, 1984
Inventors
Donald Rodda
Charles R. Odermann
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.