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Summary
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| Description |
This is a patent drawing of the device involved in the litigation United States v. Line Material Co. |
|---|---|
| Source | |
| Date |
1930? |
| Author |
William O Schultz, Alwin G Steinmayer |
| Permission (Reusing this file) |
See below.
|
Licensing
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 | 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. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:50, 20 June 2016 | | 2,021 × 3,158 (400 KB) | PraeceptorIP (talk | contribs) | Uploading a public-domain item using File Upload Wizard |
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