File:US Design Patent 21,551, Design for a Rectal Dilator (1892).pdf
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US Design Patent 21,551 "Design for a rectal dilator"
Summary
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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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| Date | |||
| Source | U.S design patent USD21551S, "Design for a rectal dilator" | ||
| Author | Frank E. Young | ||
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Licensing
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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 | |
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| current | 20:02, 29 February 2020 |  | 1,158 × 1,702, 2 pages (63 KB) | The Anome (talk | contribs) | User created page with UploadWizard |
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- File:1892 rectal dilator.jpg
- File:USD21551.pdf (file redirect)