File:Patent59720-specifications.pdf
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Summary
| Description |
English: Patent 59720 specifications. Detailed description of the Sphericon and its derivatives. |
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| Date | |||
| Source | Own work | ||
| Author | Thinkingarena | ||
| Permission (Reusing this file) |
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Licensing
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:59, 13 June 2012 |  | 1,200 × 1,891, 11 pages (402 KB) | Thinkingarena | {{Information |Description ={{en|1=Patent 59720 specifications. Detailed description of the Sphericon and its derivatives.}} |Source ={{own}} |Author =Thinkingarena |Date =1980-03-18 |Permission =... |