IP Library Granted Patent US 5,142,934
Granted Patent Utility
US 5,142,934 · App. 07/580,581

Chain saw control

Inventors: Magnus Persson, Hans Lindblad, Kenneth R. Skogward
Patented Case View Patent ↗
Granted: Sep 1, 1992 Filed: Sep 11, 1990
Inventors
Magnus Persson
Hans Lindblad
Kenneth R. Skogward
Assignee (at issue)
Aktiebolaget Electrolux

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 5,142,934
App. No.
07/580,581
Filed
1990-09-11
Granted
1992-09-01
Kind
A