File:3194514rogallobiplane.jpg
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| Description | Patent clip shows Francis M. Rogallo also envisioned hung-payload gliders using stiffened Rogallo wings in a BIPLANE format. |
| Date | |
| Source | U.S. Patent 3194514 detail (only a small part of the large patent.) |
| Author | Joefaust 00:49, 15 February 2008 (UTC) |
| Permission (Reusing this file) |
Public domain: all rights released. |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:49, 15 February 2008 | | 443 × 570 (37 KB) | Joefaust (talk | contribs) | {{Information |Description=Patent clip shows Francis M. Rogallo also envisioned hung-payload gliders using stiffened Rogallo wings in a BIPLANE format. |Source=U.S. Patent 3194514 detail (only a small part of the large patent.) |Date=Feb. 14, 2008 |Author |
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