IP Library › Granted Patent US 4,147,119
Granted Patent Utility
US 4,147,119 · App. 05/882,008

Sewing machine dual mode backtack control

Inventor: William H. Dunn
Patented Case View Patent ↗
Granted: Apr 3, 1979 Filed: Feb 28, 1978
Inventor
William H. Dunn
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,147,119
App. No.
05/882,008
Filed
1978-02-28
Granted
1979-04-03
Kind
A