IP Library Assignment 013856/0275
Patent Assignment
Reel/Frame 013856/0275

Assignment of Assignor's Interest

Recorded: 2003-03-18 Pages: 2
Assignors
CLAPHAM, WILLIAM STEPHEN
Executed: 2003-01-27
WARREN, JOHN JOSEPH
Executed: 2003-01-27
Assignee
HYDRA MINING TOOLS INTERNATIONAL LTD.
ROTHERHAM WORKS, WORTLEY ROAD, ROTHERHAM S61 1LZ, ENGLAND, UNITED KINGDOM
Covered Property (1)
Rotary Cutting Head with Water Supply
Patent: 6,840,585 →
Application: 10/342,964 →
Publication: US 2003/0137184
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Feb 16, 2012
From: HYDRA MINING TOOLS INTERNATIONAL LIMITED
To: ESCO HYDRA (UK) LIMITED
Reel/Frame 027715/0267 →