File:1892 rectal dilator.jpg
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English: 1992 design patent for a rectal dilator by Frank E. Young, designer of en:Dr. Young's Ideal Rectal Dilators |
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| Source | U.S design patent USD21551S, "Design for a rectal dilator" | |||
| Author | Frank E. Young | |||
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:37, 1 December 2023 | | 312 × 780 (39 KB) | Arlo Barnes (talk | contribs) | File:US Design Patent 21,551, Design for a Rectal Dilator (1892).pdf cropped 87 % horizontally, 77 % vertically, rotated 90° using CropTool with lossless mode. |
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