Granted Patent
Utility
US 4,582,008 · App. 06/722,768
Timing arrangement for a sewing machine
Inventors:
Walter H. W. Marsh, John Patricia
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Apr 16, 1985
Inventors
Walter H. W. Marsh
John Patricia
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.