IP Library Assignment 018638/0121
Patent Assignment
Reel/Frame 018638/0121

Assignment of Assignor's Interest

Recorded: 2006-11-27 Pages: 3
Assignors
WENTWORTH, STEVEN W.
Executed: 2004-08-03
CRANE, ROBERT F.
Executed: 2004-08-03
Assignee
EARTH TOOL COMPANY, LLC
1300 CAPITAL DRIVE, OCONOMOWOC, WISCONSIN, 53066
Covered Property (1)
Rod Pulling and Pushing Machine for Pipe Bursting
Patent: 7,909,539 →
Application: 11/604,602 →
Publication: US 2007/0071558
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 18, 2019
From: EARTH TOOL COMPANY, LLC
To: THE CHARLES MACHINE WORKS, INC.
Reel/Frame 051344/0463 →