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Robert I. Altkorn
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Evanston, IL, US
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last 30 patents
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Patent Grant
Method of forming a helical waveguide using a deposit screen
Patent number
5,030,329
Issue date
Jul 9, 1991
L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
Rudy H. Haidle
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Patent Grant
Method and apparatus for removing a helical waveguide from a mandrel
Patent number
4,909,582
Issue date
Mar 20, 1990
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Rudy H. Haidle
G02 - OPTICS