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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
05/07/2013
Application #:
12567175
Filing Dt:
09/25/2009
Publication #:
Pub Dt:
03/31/2011
Inventors:
John Nenniger, Lowy Gunnewiek
Title:
METHOD OF CONTROLLING GROWTH AND HEAT LOSS OF AN IN SITU GRAVITY DRAINING CHAMBER FORMED WITH A CONDENSING SOLVENT PROCESS
Assignment: 1
Reel/Frame:
023446/0361Recorded: 10/29/2009Pages: 3
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors:
Exec Dt:
09/30/2008
Exec Dt:
09/30/2008
Assignee:
840 7TH AVENUE S.W.
CALGARY, ALBERTA, CANADA T2P 3G2
Correspondent:
VIDAS, ARRETT & STEINKRAUS
6640 SHADY OAK ROAD
SUITE 400
EDEN PRAIRIE, MN 55344
Assignment: 2
Reel/Frame:
044698/0130Recorded: 12/05/2017Pages: 23
Conveyance:
LICENSE (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/31/2009
Assignee:
30071 TOWNSHIP RD 254
CALGARY, CANADA T3L 2P7
Correspondent:
ROSEANN B. CALDWELL, BENNETT JONES LLP
4500 BANKERS HALL EAST
855-2ND STREET SW
CALGARY, T2P 4K7 CANADA
Assignment: 3
Reel/Frame:
051391/0100Recorded: 12/31/2019Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/01/2019
Assignee:
2800 SPEAKMAN DRIVE
MISSISSAUGA. ONTARIO, CANADA L5K 2R7
Correspondent:
RICHARD A. ARRETT
8050 WASHINGTON AVENUE SOUTH
SUITE 100
EDEN PRAIRIE, MN 55344

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