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Author(s)
Hardy, William AbbottRecipient(s)
Edison, Thomas AlvaOthers Mentioned
Clay, Francis Warfield Herrick
U.S. Patent Office. Examiners-in-Chief
U.S. Patent Office. Commissioner
Subject(s)
Patent applicationPhonograph
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A project that narrates Edison's life and work through his documents |
Recipient(s)
Edison, Thomas AlvaOthers Mentioned
Clay, Francis Warfield Herrick
U.S. Patent Office. Examiners-in-Chief
U.S. Patent Office. Commissioner
The Thomas A. Edison Papers was founded by the following organizations