File:Koelbel Apparatus Image From Patent 3268225.png
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Summary
[edit]DescriptionKoelbel Apparatus Image From Patent 3268225.png |
English: Image of the physical exerciser patent "Bullworker".
https://patentimages.storage.googleapis.com/52/2d/06/08b9f8c9e3cf21/US3268225.pdf |
Date | |
Source | https://patentimages.storage.googleapis.com/52/2d/06/08b9f8c9e3cf21/US3268225.pdf |
Author | G. F. KÖLBEL (patent) Malev (image) |
Licensing
[edit]Public domainPublic domainfalsefalse |
In general, the contents of United States patents are in the public domain.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 14:42, 21 August 2023 | 1,384 × 2,175 (71 KB) | Obscure2020 (talk | contribs) | Extracted original image from PDF source using Inkscape. Re-cropped using GIMP. Then optimized with OxiPNG and ZopfliPNG. | |
07:05, 4 August 2020 | 621 × 978 (465 KB) | Malev (talk | contribs) | Uploaded a work by G. F. KÖLBEL from https://patentimages.storage.googleapis.com/52/2d/06/08b9f8c9e3cf21/US3268225.pdf with UploadWizard |
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