File:Bullworker X5 from patent.png
Size of this preview: 511 × 599 pixels. Other resolutions: 205 × 240 pixels | 409 × 480 pixels | 655 × 768 pixels | 873 × 1,024 pixels | 2,133 × 2,501 pixels.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:05, 21 August 2023 | 2,133 × 2,501 (61 KB) | Obscure2020 | Extracted original images from PDF source using Inkscape. Re-cropped using GIMP. (I used the full-size drawings from pages 2 and 4 instead of the shrunken version on page 1.) Then optimized with OxiPNG and ZopfliPNG. | |
14:28, 11 August 2020 | 753 × 702 (47 KB) | Malev | Uploaded a work by Gert F. Kolbel from https://patentimages.storage.googleapis.com/8b/80/74/3e0e1ae5a7b6ef/US4290600.pdf with UploadWizard |
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