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Patent applications and USPTO patent grants for Donze, Bertrand.The latest application filed is for "oxygen cutting of slabs".
Patent | Date |
---|---|
Oxygen cutting of slabs App 20040079447 - Donze, Valerie ;   et al. | 2004-04-29 |
Flame-cutting of cold or hot slabs using one or more oxycutting torches Grant 6,712,911 - Donze , et al. March 30, 2 | 2004-03-30 |
Flame-cutting of cold or hot slabs using one or more oxyacetylene torches App 20020158375 - Donze, Valerie ;   et al. | 2002-10-31 |
Oxygen cutting of slabs App 20020017506 - Donze, Valerie ;   et al. | 2002-02-14 |
Gas torch with visual observation device Grant 5,071,105 - Donze , et al. December 10, 1 | 1991-12-10 |
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