Patent Assignment
Reel/Frame 004581/0919
Assignment of Assignors Interest.
Recorded: 1986-07-01
Pages: 1
Assignee
KENNECOTT CORPORATION
MIDLAND BUILDING, PROSPECT AVENUE, A CORP. OF NEW YORK, CLEVELAND, OHIO, 44115
Covered Property
(1)
Single Phase Silicon Carbide Refractory
Patent:
4,693,988 →
Application:
06/880,708 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective Dec. 31, 1986. (See Document for Details)
Jun 25, 1987
From: KENNECOTT CORPORATION
To: KENNECOTT MINING CORPORATION
Reel/Frame 004815/0036 →
Assignment of Assignors Interest.
Jun 25, 1987
From: KENNECOTT MINING CORPORATION
To: STEMCOR CORPORATION, 200 PUBLIC SQUARE, CLEVELAND, OHIO 44114, A CORPORATION OF DELAWARE
Reel/Frame 004815/0106 →
Assignment of Assignors Interest.
Jul 18, 1988
From: KENNECOTT MINING CORPORATION
To: STEMCOR CORPORATION
Reel/Frame 004893/0047 →