Process of Making Metallic Duplicate Phonograph-Records, September 11, 1900
Item
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Title
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Process of Making Metallic Duplicate Phonograph-Records, September 11, 1900
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Author
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Thomas A. Edison
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Date Executed
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1900-04-30
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Date Filed
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1900-05-04
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Date Issued
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1900-09-11
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Type
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Patent Issued
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Subject
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Phonographs and Sound Recording
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Document ID
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PAT657527
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Has Format
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https://iiif.archive.org/iiif/edisonpatent657527/manifest.json
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Rights
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Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.
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Publisher
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The Thomas A. Edison Papers
