File:US Patent 755840 p1.png
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Summary
| Description |
English: Image in US Patent 755840 |
| Date | |
| Source | http://pdfpiw.uspto.gov/.piw?Docid=00755840 |
| Author | Jagadish Chandra Bose |
Licensing
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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. 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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:29, 4 April 2015 | | 1,697 × 2,849 (282 KB) | Hrishikes | User created page with UploadWizard |
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