Patent Assignment
Reel/Frame 014754/0396
Assignment of Assignor's Interest
Recorded: 2003-12-05
Pages: 3
Assignor
DAVIS, EMERY W.
Executed: 2003-10-15
Assignee
CAMPBELL MANUFACTURING, INC.
SPRING AND RAILROAD STREETS, BECHTELSVILLE, PENNSYLVANIA, 19505
Covered Properties
(3)
Well Casing Sealing Device
Patent:
6,105,669 →
Application:
09/139,216 →
Wire Guard Device for Wells
Well Casing Cap
Patent:
441,054 →
Application:
29/104,725 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Sep 12, 2008
From: CAMPBELL MANUFACTURING, INC.
To: CAMPBELL MANUFACTURING, LLC
Reel/Frame 021511/0860 →
Security Interest
Apr 30, 2015
From: CAMPBELL MANUFACTURING, LLC
To: BMO HARRIS BANK N.A.
Reel/Frame 035540/0374 →
Release of Security Interest
Jul 6, 2022
From: BMO HARRIS BANK N.A.
To: CAMPBELL MANUFACTURING, LLC
Reel/Frame 060415/0893 →