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Arthur H. Graham
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Chadds Ford, PA, US
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last 30 patents
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Patent Grant
Method for concomitant particulate diamond deposition in electroles...
Patent number
RE33767
Issue date
Dec 10, 1991
Surface Technology, Inc.
Theodore P. Christini
428 - Stock material or miscellaneous articles
Information
Patent Grant
Alloy coatings for electrical contacts
Patent number
4,849,303
Issue date
Jul 18, 1989
E. I. Du Pont de Nemours and Company
Arthur H. Graham
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electroplating bath and process for maintaining plated alloy compos...
Patent number
4,846,941
Issue date
Jul 11, 1989
E. I. Du Pont de Nemours and Company
Arthur H. Graham
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Electroplating bath and process for maintaining plated alloy compos...
Patent number
4,743,346
Issue date
May 10, 1988
E. I. Du Pont de Nemours and Company
Arthur H. Graham
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Method for concomitant particulate diamond deposition in electroles...
Patent number
RE29285
Issue date
Jun 28, 1977
E. I. Du Pont de Nemours and Company
Theodore Peter Christini
428 - Stock material or miscellaneous articles
Information
Patent Grant
Method for concomitant particulate diamond deposition in electroles...
Patent number
3,936,577
Issue date
Feb 3, 1976
E. I. Du Pont de Nemours and Company
Theodore Peter Christini
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING