File:Isbell antenna.jpg
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Original file (1,691 × 2,497 pixels, file size: 330 KB, MIME type: image/jpeg)
Summary[edit]
| Description |
US Patent drawing of antenna involved in lawsauit described in Blonder-Tongue Labs., Inc. v. University of Ill. Foundation |
|---|---|
| Source | |
| Date |
approx. 1960 |
| Author |
US Govt (patent) |
| Permission (Reusing this file) |
See below.
|
Licensing[edit]
 | The text and illustrations of US patents are in the public domain in the United States unless the patent text contains a specific notice that portions are copyrighted.[1][2][3]
The original patent contains no such notice, so its contents are in the public domain in the United States. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:36, 28 December 2016 | | 1,691 × 2,497 (330 KB) | PraeceptorIP (talk | contribs) | Uploading a public-domain item using File Upload Wizard |
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