Patent Assignment
Reel/Frame 005615/0005
Assignment of Assignors Interest.
Recorded: 1991-02-05
Pages: 2
Assignor
WALKER, DANIEL D. JR.
Executed: 1991-01-30
Covered Property
(1)
Method for Improving the Characteristics of Sulfate Bearing Soils
Patent:
5,122,012 →
Application:
07/650,748 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Jan 30, 1992
From: CHEMSTAR LINE COMPANY
To: CHEMICAL LIME COMPANY
Reel/Frame 006115/0001 →
Assignment of Assignors Interest.
Mar 9, 1992
From: CHEMSTAR LIME COMPANY A CORP. OF ARIZONA
To: CHEMICAL LINE COMPANY
Reel/Frame 006034/0881 →
Change of Name
May 4, 2010
From: CHEMICAL LIME COMPANY
To: LHOIST NORTH AMERICA, INC.
Reel/Frame 024329/0677 →