Patent Assignment
Reel/Frame 004381/0268
Assignment of Assignors Interest.
Recorded: 1985-02-28
Pages: 2
Assignor
BLADES, FREDERICK K.
Executed: 1985-01-23
Assignee
ANATEL INSTRUMENT CORPORATION A CORP OF CO
BOULDER, COLORADO
Covered Property
(1)
Circuit for Compensating Non-Linearities in Electrolyte Conductivity Measurement System
Patent:
4,683,435 →
Application:
06/689,871 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name April 18, 1988, Co
May 16, 1989
From: ANATEL INSTRUMENT CORPORATION
To: ANATEL CORPORATION
Reel/Frame 005164/0067 →
Security Interest
May 27, 1997
From: ANATEL CORPORATION
To: NORWEST BANK MINNESOTA N.A.
Reel/Frame 008545/0740 →
Security Agreement
May 27, 1997
From: ANATEL CORPORATION
To: NORWEST CREDIT, INC.
Reel/Frame 008559/0860 →
Assignment of Assignor's Interest
Dec 14, 1998
From: ANATEL CORPORATION
To: NORWEST CREDIT, INC.
Reel/Frame 009638/0300 →
Merger
Apr 2, 2004
From: ANATEL CORPORATION
To: HACH COMPANY
Reel/Frame 015167/0267 →