Patent Assignment
Reel/Frame 045009/0301
Change of Name
Recorded: 2018-01-04
Pages: 4
Assignor
ALEXCO RESOURCE U.S. CORP
Executed: 2014-11-03
Assignee
ALEXCO ENVIRONMENTAL GROUP (US) INC.
12150 E. BRIARWOOD AVE, #135, CENTENNIAL, COLORADO, 80112
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
Mar 12, 2007
From: HARRINGTON, JOSEPH G.
To: ALEXCO RESOURCE U.S. CORP.
Reel/Frame 018989/0537 →
Assignment of Assignor's Interest
Jan 4, 2018
From: ALEXCO ENVIRONMENTAL GROUP (US) INC.
To: ALEXCO WATER AND ENVIRONMENT INC.
Reel/Frame 044539/0955 →