Harry Kroll

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Warwick, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing by electrodeposition bright deposits of gold...
- Patent number 4,073,700
- Issue date Feb 14, 1978
- Alfred M. Weisberg
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Nitric acid system for etching magnesium plates
- Patent number 4,032,379
- Issue date Jun 28, 1977
- Philip A. Hunt Chemical Corporation
- David L. Czirr
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nitric acid system for etching magnesium plates
- Patent number 3,935,118
- Issue date Jan 27, 1976
- Philip A. Hunt Chemical Corporation
- David L. Czirr
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...