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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:010103/0516   Pages: 4
Recorded: 07/21/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 5
1
Patent #:
Issue Dt:
12/30/1986
Application #:
06743980
Filing Dt:
06/12/1985
Title:
CERAMIC SPHEROIDS HAVING LOW DENSITY AND HIGH CRUSH RESISTANCE
2
Patent #:
Issue Dt:
07/31/1990
Application #:
06820013
Filing Dt:
01/21/1986
Title:
PARTICULATE CERAMIC USEFUL AS A PROPPANT
3
Patent #:
Issue Dt:
02/16/1988
Application #:
06874095
Filing Dt:
06/13/1986
Title:
PROCESS FOR MAKING CERAMIC SPHEROIDS
4
Patent #:
Issue Dt:
09/26/1989
Application #:
07097871
Filing Dt:
09/17/1987
Title:
NOVOLAC COATED CERAMIC PARTICULATE
5
Patent #:
Issue Dt:
05/08/1990
Application #:
07345692
Filing Dt:
05/01/1989
Title:
NOVOLAC COATED CERAMIC PARTICULATE
Assignor
1
Exec Dt:
06/07/1999
Assignee
1
10845 KINSMAN ROAD
NEWBURY, OHIO 44065
Correspondence name and address
WATTS, HOFFMANN, FISHER & HEINKE, ETAL
JOHN R. HLAVKA
P.O. BOX 99839
CLEVELAND, OHIO 44199-0839

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