Patent Assignment
Reel/Frame 004893/0047
Assignment of Assignors Interest.
Recorded: 1988-07-18
Pages: 2
Assignor
KENNECOTT MINING CORPORATION
Executed: 1987-05-06
Assignee
STEMCOR CORPORATION
200 PUBLIC SQUARE, A DE. CORP., CLEVELAND, OHIO, 44114
Covered Properties
(7)
Plasma Arc Sintering of Silicon Carbide
Patent:
4,676,940 →
Application:
06/718,375 →
Plasma Heated Sintering Furnace
Patent:
4,707,583 →
Application:
06/718,376 →
Process for Sintering Extruded Powder Shapes
Patent:
4,666,775 →
Application:
06/815,981 →
Method for Preventing Decomposition of Silicon Carbide Articles During High Temperature Plasma Furnace Sintering
Patent:
4,698,481 →
Application:
06/843,788 →
Single Phase Silicon Carbide Refractory
Patent:
4,693,988 →
Application:
06/880,708 →
Extended Life Capacitor and Method
Patent:
4,683,516 →
Application:
06/894,673 →
Sintered Silicon Carbide/Carbon Composite Ceramic Body Having Fine Microstructure
Patent:
4,692,418 →
Application:
07/016,459 →
Related Assignments
(7)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Jun 19, 1985
From: KIM, JONATHAN J.; VENKATFSWARAN, VISWANATHAN; PHOENIX, RICHARD C.
To: KENNECOTT CORPORATION
Reel/Frame 004427/0100 →
Assignment of Assignors Interest.
Jul 1, 1985
From: KIM, JONATHAN J.; VENKATESWARAN, VISWANATHAN
To: KENNECOTT CORPORATION
Reel/Frame 004425/0308 →
Assignment of Assignors Interest.
Jan 3, 1986
From: KIM, JONATHAN J.; VENKATESWARAN, VISWANATHAN
To: KENNECOTT CORPORATION, A CORP. OF NEW YORK
Reel/Frame 004519/0084 →
Assignment of Assignors Interest.
Mar 25, 1986
From: KIM, JONATHAN J.; KATZ, JOEL D.
To: KENNECOTT CORPORATION, A CORP OF NEW YORK
Reel/Frame 004532/0964 →
Assignment of Assignors Interest.
Jul 1, 1986
From: BOECKER, WOLFGANG D. G.; KORZEKWA, TADEUSZ M.
To: KENNECOTT CORPORATION
Reel/Frame 004581/0919 →
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 →
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 →