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An agreement signed by Jean Warnant and Nicolas Pieper, dated 30 October 1905, in which Warnant yields and transfers rights to his patents to Pieper. A second such document was signed in February 1907 to cover subsequent patents held by Warnant. |
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An agreement signed by Jean Warnant and Nicolas Pieper, dated 30 October 1905, in which Warnant yields and transfers rights to his patents to Pieper. A second such document was signed in February 1907 to cover subsequent patents held by Warnant. |
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