IP Library Granted Patent US 6,640,986
Granted Patent Utility
US 6,640,986 · App. 10/092,833

Anti-sway hydraulic system for grappler

Inventors: Daniel Brian Zakula, Sr., Daniel J. Olson
Patented Case View Patent ↗
Granted: Nov 4, 2003 Filed: Mar 7, 2002
Inventors
Daniel Brian Zakula, Sr.
Daniel J. Olson
Assignee (at issue)
MI-JACK PRODUCTS, 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.

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 6,640,986
App. No.
10/092,833
Filed
2002-03-07
Granted
2003-11-04
Kind
B2