Patent Assignment
Reel/Frame 007815/0423
Assignment of Assignor's Interest
Recorded: 1995-09-21
Pages: 3
Assignor
U.S. TUNGSTEN CORPORATION
Executed: 1995-08-14
Assignee
AVOCET TUNSTEN, INC.
ROBERT BUNTING, 30 MAIN STREET, DANBURY, CONNECTICUT, 06810
Covered Properties
(2)
Process for the Preparation of Fine Grain Metal Carbide Powders and Sintered Articles Therefrom
Patent:
4,190,439 →
Application:
05/624,401 →
Extraction of Tungsten from Spent or Scrap Catalyst Materials
Patent:
4,508,701 →
Application:
06/480,735 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Sep 12, 1983
From: GODDARD, JOHN B.; JOHNSON, WILLIAM N.
To: UNIPN CARBIDE CORPORATION, A NY CORP.
Reel/Frame 004169/0624 →
Assignment of Assignors Interest.
Apr 17, 1985
From: UNION CARBIDE CORPORATON
To: UMETCO MINERALS CORPORATION
Reel/Frame 004388/0493 →
Assignment of Assignors Interest.
Apr 17, 1985
From: UNION CARBIDE CORPORATION
To: UMETCO MINERALS CORPORATION
Reel/Frame 004392/0793 →