IP Library › Assignment 015637/0798
Patent Assignment
Reel/Frame 015637/0798

Assignment of Assignor's Interest

Recorded: 2004-07-28 Pages: 4
Assignors
NENNIGER, JOHN
Executed: 2004-03-11
CONQUORGOOD, STEVE
Executed: 2004-03-10
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
Patent: 7,514,041 →
Application: 10/900,476 →
Publication: US 2006/0024840
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: GUNNEWIEK, LOWY; REID, BOB; NENNIGER, EMIL
To: NENNIGER ENGINEERING INC.
Reel/Frame 015637/0716 →
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 →