Patent Assignment
Reel/Frame 006090/0688
Assignment of Assignors Interest.
Recorded: 1992-04-21
Pages: 2
Assignor
CHEMSTAR, INC., A CORPORATION OF AZ
Executed: 1992-03-09
Assignee
CHEMICAL LIME COMPANY A NV CORPORATION
P.O. BOX 121874, FORT WORTH, TEXAS, 76121-1874
Covered Properties
(2)
Composition and Method for Agglomerating Ore
Application:
07/322,557 →
Composition and Method for Agglomerating Ore
Patent:
5,116,417 →
Application:
07/528,350 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Mar 13, 1989
From: WALKER, DANIEL D. JR.
To: CHEMSTAR, INC., AN AZ CORP.
Reel/Frame 005054/0162 →
Assignment of Assignors Interest.
Mar 13, 1989
From: OLIPHANT, JOSEPH L.
To: CHEMSTAR, INC., A CORP. OF AZ
Reel/Frame 005054/0163 →
Change of Name
May 4, 2010
From: CHEMICAL LIME COMPANY
To: LHOIST NORTH AMERICA, INC.
Reel/Frame 024329/0677 →