Patent Assignment
Reel/Frame 015637/0716
Assignment of Assignor's Interest
Recorded: 2004-07-28
Pages: 4
Assignors
GUNNEWIEK, LOWY
Executed: 2003-12-16
REID, BOB
Executed: 2003-12-16
NENNIGER, EMIL
Executed: 2003-12-16
Assignee
NENNIGER ENGINEERING INC.
30071 TOWNSHIP ROAD 254, CALGARY, ALBERTA, T3L 2P7, CANADA
Covered Property
(1)
Method and Apparatus for Testing Heavy Oil Production Processes
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 28, 2004
From: NENNIGER ENGINEERING INC.
To: N-SOLV CORPORATION
Reel/Frame 015636/0585 →
Assignment of Assignor's Interest
Jul 28, 2004
From: NENNIGER, JOHN; CONQUORGOOD, STEVE
To: NENNIGER ENGINEERING INC.
Reel/Frame 015637/0798 →
License
Dec 5, 2017
From: N-SOLV CORP.
To: N-SOLV HEAVY OIL CORP.
Reel/Frame 044698/0130 →
Change of Name
Dec 31, 2019
From: N-SOLV CORPORATION
To: HATCH LTD.
Reel/Frame 051391/0100 →