Patent Assignment
Reel/Frame 009986/0449
Assignment of Assignor's Interest
Recorded: 1999-05-17
Pages: 2
Assignor
MUELLER, WAYNE
Executed: 1999-05-10
Assignee
CLEARWATER, INC.
5605 GRAND AVE, PITTSBURGH, PENNSYLVANIA, 15225
Covered Property
(1)
Drying of Grain and Other Particulate Materials
Patent:
6,167,638 →
Application:
09/313,082 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
May 17, 1999
From: VAVRO, MATTHEW E.
To: CLEARWATER, INC.
Reel/Frame 009986/0507 →
Assignment of Assignor's Interest
Nov 6, 2002
From: CLEARWATER, INC.
To: CLEARWATER INTERNATIONAL, L.L.C
Reel/Frame 013463/0772 →
Assignment of Assignor's Interest
Oct 9, 2015
From: CLEARWATER INTERNATIONAL, L.L.C.
To: LUBRIZOL OILFIELD SOLUTIONS, INC.
Reel/Frame 036822/0379 →