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Patent Assignment Abstract of Title
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Total Assignments: 5
Patent #:
4293598
Issue Dt:
10/06/1981
Application #:
05960150
Filing Dt:
11/13/1978
Inventor:
MICHAEL T. HORTMAN
Title:
METHOD FOR INCREASING BORON 10 CONTENTS OF NEUTRON ABSORBING ARTICLES
Assignment: 1
Reel/Frame:
003828/0291Recorded: 02/09/1981Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
HORTMAN MICHAEL T.
Exec Dt:
11/10/1978
Assignee:
CARBORUNDUM COMPANY, THE
A CORP. OF DE.
NIAGARA FALLS, NEW YORK
Correspondent:
DAVID E. DOUGHERTY
CARBORUNDUM CO. P. O. BOX 337
NIAGARA FALLS, N. Y. 14302
Assignment: 2
Reel/Frame:
003961/0672Recorded: 07/01/1981Pages: 22
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 31, 1980 NEW YORK
Assignors:
BEAR CREEK MINING COMPANY
Exec Dt:
12/30/1980
BEAR TOOTH MINING COMPANY
Exec Dt:
12/30/1980
CARBORUNDUM COMPANY THE
Exec Dt:
12/30/1980
CHASE BRASS & COPPER CO. INCORPORATED
Exec Dt:
12/30/1980
PLAMBEAU MINING CORPORATION
Exec Dt:
12/30/1980
KENNECOTT EXPLORATION, INC.
Exec Dt:
12/30/1980
KENNECOTT REFINING CORPORATION
Exec Dt:
12/30/1980
KENNECOTT SALES CORPORATION
Exec Dt:
12/30/1980
OZARK LEAD COMPANY
Exec Dt:
12/30/1980
RIDGE MINING CORPORATION (ALL MERGED INTO)
Exec Dt:
12/30/1980
Assignee:
KENNECOTT CORPORATION
Correspondent:
CARBORUNDUM COMPANY THE
CARBORUNDUM CENTER
NIAGARA FALLS, NY 14302
Assignment: 3
Reel/Frame:
004852/0560Recorded: 06/25/1987Pages: 7
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS). NEW YORK EFFECTIVE DEC. 31, 1980.
Assignors:
BEAR CREEK MINING COMPANY
Exec Dt:
12/30/1980
BEAR TOOTH MINING COMPANY
Exec Dt:
12/30/1980
CARBORUNDUM COMPANY, THE
Exec Dt:
12/30/1980
CHASE BRASS & COPPER CO., INCORPORATED
Exec Dt:
12/30/1980
FLAMBEAU MINING CORPORATION
Exec Dt:
12/30/1980
KENNECOTT EXPLORATION, INC.
Exec Dt:
12/30/1980
KENNECOTT REFINING CORPORATION
Exec Dt:
12/30/1980
KENNECOTT SALES CORPORATION
Exec Dt:
12/30/1980
OZARK LEAD COMPANY
Exec Dt:
12/30/1980
RIDGE MINING CORPORATION
Exec Dt:
12/30/1980
Assignee:
KENNECOTT CORPORATION
Correspondent:
KENNECOTT CORPORATION
200 PUBLIC SQUARE
CLEVELAND OHIO 44114
Assignment: 4
Reel/Frame:
004815/0036Recorded: 06/25/1987Pages: 4
Conveyance:
CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE DEC. 31, 1986. (SEE DOCUMENT FOR DETAILS)
Assignor:
KENNECOTT CORPORATION
Exec Dt:
02/20/1987
Assignee:
KENNECOTT MINING CORPORATION
Correspondent:
KENNECOTT CORPORATION
200 PUBLIC SQUARE 36- F-3454
CLEVELAND OHIO 44114-2375
Assignment: 5
Reel/Frame:
004815/0079Recorded: 06/25/1987Pages: 5
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
KENNECOTT MINING CORPORATION
Exec Dt:
03/20/1987
Assignee:
STANDARD OIL COMPANY, 200 PUBLIC SQUARE, CLEVELAND, OHIO 44114 A OHIO CORP.
Correspondent:
KENNECOTT CORPORATION
200 PUBLIC SQUARE 36 -F-3454
CLEVELAND, OHIO 44114-2375

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