Nick_Kopp_Patent_20566_Closed_Vessel_with_Perforated_Cover.png (410 × 336 pixels, file size: 83 KB, MIME type: image/png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:16, 21 August 2023 | 410 × 336 (83 KB) | TwoScarsUp | Uploaded a work by Nicholas Kopp from This is an illustration from the seven-year patent granted to Nicholas Kopp of Fostoria, Ohio. The United States Patent Office granted the patent March 10, 1891. with UploadWizard |
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