Patent Assignment
Reel/Frame 010701/0515
Assignment of Assignor's Interest
Recorded: 2000-04-14
Pages: 7
Assignee
FREDERICK ENERGY PRODUCTS
1769B JEFF ROAD, HUNTSVILLE, ALABAMA, 35805
Covered Property
(1)
Method for Sensing Coal-Rock Interface
Patent:
6,435,619 →
Application:
09/471,122 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 14, 2001
From: FREDERICK ENERGY, PODUCTS, LLC
To: GEOSTEERING MINING SERVICES, LLC
Reel/Frame 012309/0095 →
Assignment of Assignor's Interest
May 18, 2021
From: GEOSTEERING MINING SERVICES, L.L.C.
To: A&D HOLDING COMPANY, LLC
Reel/Frame 056276/0715 →
Change of Name
May 21, 2021
From: A&D HOLDING COMPANY, LLC
To: FREDERICK MINING CONTROLS, LLC
Reel/Frame 056336/0791 →