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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:006569/0360   Pages: 30
Recorded: 06/04/1993
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 38
1
Patent #:
Issue Dt:
Application #:
04822214
Filing Dt:
Title:
2
Patent #:
Issue Dt:
Application #:
05123552
Filing Dt:
Title:
3
Patent #:
Issue Dt:
Application #:
05553814
Filing Dt:
Title:
4
Patent #:
Issue Dt:
Application #:
05593487
Filing Dt:
Title:
5
Patent #:
Issue Dt:
Application #:
05655489
Filing Dt:
Title:
6
Patent #:
Issue Dt:
Application #:
05760458
Filing Dt:
Title:
7
Patent #:
Issue Dt:
04/28/1981
Application #:
05868446
Filing Dt:
01/10/1978
Title:
PYROLYTIC BORON NITRIDE COATED GRAPHITE BOAT FOR METAL VAPORIZATION
8
Patent #:
Issue Dt:
05/19/1981
Application #:
06106026
Filing Dt:
12/21/1979
Title:
HIGH DENSITY REFRACTORY COMPOSITES AND METHOD OF MAKING
9
Patent #:
Issue Dt:
09/06/1983
Application #:
06306385
Filing Dt:
09/28/1981
Title:
POROUS FREE STANDING PYROLYTIC BORON NITRIDE ARTICLES
10
Patent #:
Issue Dt:
04/30/1985
Application #:
06452183
Filing Dt:
12/22/1982
Title:
PROCESS FOR IMPROVING THE HIGH TEMPERATURE FLEXURAL STRENGTH OF TITANIUM DIBORIDE - BORON NITRIDE
11
Patent #:
Issue Dt:
06/03/1986
Application #:
06600899
Filing Dt:
04/16/1984
Title:
METHOD OF MAKING ALUMINUM-RESISTANT TITANIUM DIBORIDE ARTICLES
12
Patent #:
Issue Dt:
06/07/1988
Application #:
06804548
Filing Dt:
12/04/1985
Title:
PROCESS FOR PRODUCING BORON NITRIDE
13
Patent #:
Issue Dt:
05/30/1989
Application #:
06911221
Filing Dt:
09/24/1986
Title:
CORDIERITE COMPOSITION AND METHOD OF PRODUCTION
14
Patent #:
Issue Dt:
02/27/1990
Application #:
06914931
Filing Dt:
10/03/1986
Title:
REFRACTORY COMPOSITES OF ALUMINA AND BORON NITRIDE
15
Patent #:
Issue Dt:
12/05/1989
Application #:
07180578
Filing Dt:
04/12/1988
Title:
BORON NITRIDE CONTAINING VESSEL HAVING A SURFACE COATING OF TITANIUM IRON-SILICON THEREON
16
Patent #:
Issue Dt:
05/29/1990
Application #:
07259892
Filing Dt:
10/19/1988
Title:
PROCESS FOR PRODUCING CRYSTALLINE SILICON NITRIDE POWDER
17
Patent #:
Issue Dt:
08/07/1990
Application #:
07276807
Filing Dt:
11/28/1988
Title:
CORDIERITE COMPOSITION AND METHOD OF PRODUCTION
18
Patent #:
Issue Dt:
09/10/1991
Application #:
07291605
Filing Dt:
12/29/1988
Title:
ALLOYED POWDER AND METHOD OF PREPARING SAME
19
Patent #:
Issue Dt:
02/27/1990
Application #:
07300976
Filing Dt:
01/24/1989
Title:
ZIRCONIA MULLITE/BORON NITRIDE COMPOSITES
20
Patent #:
Issue Dt:
04/02/1991
Application #:
07318349
Filing Dt:
03/02/1989
Title:
PYROLYTIC BORON NITRIDE WITH COLUMNAR CRYSTALLINE MORPHOLOGY
21
Patent #:
Issue Dt:
08/18/1992
Application #:
07321214
Filing Dt:
03/09/1989
Title:
CORDIERITE COMPOSITION AND METHOD OF PRODUCTION
22
Patent #:
Issue Dt:
04/16/1991
Application #:
07409057
Filing Dt:
09/19/1989
Title:
BORON NITRIDE COATINGS
23
Patent #:
Issue Dt:
03/05/1991
Application #:
07425911
Filing Dt:
10/24/1989
Title:
ZIRCONIA MULLITE/BORON NITRIDE COMPOSITES
24
Patent #:
Issue Dt:
01/08/1991
Application #:
07458347
Filing Dt:
12/28/1989
Title:
METHOD FOR FORMING A HIGH DENSITY METAL BORIDE COMPOSITE
25
Patent #:
Issue Dt:
07/16/1991
Application #:
07516910
Filing Dt:
04/30/1990
Title:
BORON NITRIDE BOAT AND PROCESS FOR PRODUCING IT
26
Patent #:
Issue Dt:
12/24/1991
Application #:
07533816
Filing Dt:
06/06/1990
Title:
PROCESS FOR PRODUCING A BORON NITRIDE CRUCIBLE
27
Patent #:
Issue Dt:
09/03/1991
Application #:
07635383
Filing Dt:
02/01/1991
Title:
METHOD FOR SINTERED SHAPES WITH CONTROLLED GRAIN SIZE
28
Patent #:
Issue Dt:
01/26/1993
Application #:
07662954
Filing Dt:
03/01/1991
Title:
BORON NITRIDE BOAT AND PROCESS FOR PRODUCING IT
29
Patent #:
Issue Dt:
03/31/1992
Application #:
07669009
Filing Dt:
03/13/1991
Title:
PROCESS FOR PRODUCING TITANIUM DIBORIDE AND BORON NITRIDE POWDERS
30
Patent #:
Issue Dt:
06/09/1992
Application #:
07693546
Filing Dt:
04/30/1991
Title:
MULLITE/YTTRIA STABILIZED ZIRCONIA/BORON NITRIDE COMPOSITES
31
Patent #:
Issue Dt:
12/22/1992
Application #:
07696087
Filing Dt:
05/06/1991
Title:
LOW SINTERING CORDIERITE POWDER COMPOSITION
32
Patent #:
Issue Dt:
10/27/1992
Application #:
07750296
Filing Dt:
08/27/1991
Title:
BORON NITRIDE CRUCIBLE
33
Patent #:
Issue Dt:
01/11/1994
Application #:
07790079
Filing Dt:
11/13/1991
Title:
METHOD FOR PROTECTING A GRAPHITE CHUCK FOR A STARTER FILAMENT IN THE MANUFACTURE OF POLCRYSTALLINE SILICON
34
Patent #:
Issue Dt:
08/24/1993
Application #:
07810910
Filing Dt:
12/20/1991
Title:
METHOD FOR RESISTANCE HEATING OF METAL USING A PYROLYTIC BORON NITRIDE COATED GRAPHITE BOAT
35
Patent #:
Issue Dt:
01/04/1994
Application #:
07819647
Filing Dt:
01/10/1992
Title:
PROCESS FOR FORMING A CRACK-FREE BORON NITRIDE COATING ON A CARBON STRUCTURE
36
Patent #:
Issue Dt:
07/28/1992
Application #:
07824219
Filing Dt:
01/23/1992
Title:
METHOD OF PRODUCING MULLITE/YTTRIA STABILIZED ZIRCONIA/BORON NITRIDE COMPOSITES
37
Patent #:
Issue Dt:
08/24/1993
Application #:
07837606
Filing Dt:
02/21/1992
Title:
NONAQUEOUS COMPOSITION FOR SLIP CASTING OR COLD FORMING REFRACTORY MATERIAL INTO SOLID SHAPES
38
Patent #:
Issue Dt:
08/30/1994
Application #:
07953156
Filing Dt:
09/29/1992
Title:
PYROLYTIC BORON NITRIDE HEATING UNIT
Assignor
1
Exec Dt:
03/02/1993
Assignee
1
127 PUBLIC SQUARE
CLEVELAND, OHIO 44114
Correspondence name and address
WARREN A. SKLAR
RENNER, OTTO, BOISSELLE & SKLAR
1621 EUCLID AVE., 19TH FLOOR
CLEVELAND, OH 44115

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