Granted Patent
Utility
US 4,763,589 · App. 07/107,190
Solar powered indicating device for sewing machines
Inventors:
Manfred R. Laidig, Stephen A. Garron
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Oct 13, 1987
Inventors
Manfred R. Laidig
Stephen A. Garron
Assignee (at issue)
SSMC Inc.
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.