Roller for Crushing Ore or Other Material, May 30, 1893
Item
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Title
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Roller for Crushing Ore or Other Material, May 30, 1893
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Author
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Thomas A. Edison
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Date Executed
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1891-08-28
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Date Filed
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1891-10-01
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Date Issued
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1893-05-30
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Type
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Patent Issued
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Subject
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Mining and Ore Milling
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Document ID
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PAT498385
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Has Format
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https://iiif.archive.org/iiif/edisonpatent498385/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
