File:Filter press 2390628.png: Revision history

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11 March 2022

19 December 2010

  • curprev 18:3118:31, 19 December 2010‎ imported>Madeline Schiesser‎ 503 bytes +503‎ uploaded a new version of "Image:Filter press 2390628.png": {{Image_Details |description = Example of a filter press from US Pat. 2,390,628 |author = Paul van Winkle |copyright = United States Patent and Trademark Office |source = United States Patent and Trademark Office |date-created = December 11, 1945 |pub-country = United Stated |notes = This image was published in a US patent in 1945. By virtue of being part of a published patent, it is in the public domain...

27 November 2010

  • curprev 01:4901:49, 27 November 2010‎ imported>Madeline Schiesser‎ 503 bytes +503‎ {{Image_Details|pd |description = Example of a filter press from US Pat. 2,390,628 |author = Paul van Winkle |source = United States Patent and Trademark Office |date-created = December 11, 1945 |pub-country = United Stated |notes = This image was published in a US patent in 1945. By virtue of being part of a published patent, it is in the public domain and its reprinting here constitutes fair use. |versions = }}
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