Patent Assignment
Reel/Frame 018989/0537
Assignment of Assignor's Interest
Recorded: 2007-03-12
Pages: 13
Assignor
HARRINGTON, JOSEPH G.
Executed: 2007-02-16
Assignee
ALEXCO RESOURCE U.S. CORP.
200 GRANVILLE STREET, SUITE 2300, VANCOUVER, BC, V6C 1S4, CANADA
Covered Properties
(6)
In Situ Immobilization of Metals in Waste Stacks and Waste Stack Affected Zones
Patent:
5,632,715 →
Application:
08/573,230 →
In-Situ Treatment of Waste Stacks, Soils or Earth Materials to Immobilize Metals Contained Therein
Patent:
5,710,361 →
Application:
08/772,174 →
Inhibiting Acidmine Drainage by Displacing Oxygen in Rock Heap
Patent:
6,196,765 →
Application:
09/187,471 →
In situ immobilization within density variant bodies of water
Patent:
6,350,380 →
Application:
09/678,272 →
Gas-Phase Modification in Earth Materials
In Situ Immobilization of Metals Within Density Variant Bodies of Water
Related Assignments
(6)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Apr 18, 1996
From: HARRINGTON, JOSEPH GEORGE; HUMBERGER, ROGER B.; ORR, MICHAEL L.; SCHWARTZ, CHARLES H.
To: J.R. SIMPLOT COMPANY
Reel/Frame 007896/0862 →
Assignment of Assignor's Interest
Apr 5, 1999
From: J.R. SIMPLOT COMPANY
To: HARRINGTON, JOSEPH G.
Reel/Frame 009857/0914 →
Assignment of Assignor's Interest
Apr 5, 1999
From: J. R. SIMPLOT COMPANY
To: HARRINGTON, JOSEPH G.
Reel/Frame 009857/0917 →
Collateral Assignment
May 16, 2002
From: HARRINGTON, JOSEPH G.
To: ARCADIS G&M, INC.
Reel/Frame 012896/0888 →
Assignment of Assignor's Interest
Jan 4, 2018
From: ALEXCO ENVIRONMENTAL GROUP (US) INC.
To: ALEXCO WATER AND ENVIRONMENT INC.
Reel/Frame 044539/0955 →
Change of Name
Jan 4, 2018
From: ALEXCO RESOURCE U.S. CORP
To: ALEXCO ENVIRONMENTAL GROUP (US) INC.
Reel/Frame 045009/0301 →