Wikipedia:Copyright problems/2019 March 14

14 March 2019

 * Educational technology ([ history] · [ last edit] · rewrite) from https://patents.google.com/patent/US20140272893. Largoplazo (talk) 22:15, 14 March 2019 (UTC)
 * [[Image:Pictogram voting support.svg|20px]] No copyright concern. Material PD or appropriately licensed for use. US patents are in the public domain. — Diannaa 🍁 (talk) 18:13, 23 March 2019 (UTC)


 * Educational technology ([ history] · [ last edit] · rewrite) from here. Largoplazo (talk) 22:15, 14 March 2019 (UTC)
 * Pictogram voting support.svg Backwardscopy. Tag and explanation placed at talk page. This book was published in 2018, and we've had some of this material as far back as 2007. — Diannaa 🍁 (talk) 18:13, 23 March 2019 (UTC)


 * Export Administration Regulations ([ history] · [ last edit] · rewrite) from https://ecfr.gov/cgi-bin/text-idx?SID=528d04078190a7e525e02e994ef8abc2&mc=true&node=pt15.2.734&rgn=div5#se15.2.734_11 Extremecia (talk) 07:05, 18 March 2019 (UTC)
 * [[Image:Pictogram voting support.svg|20px]] No copyright concern. Material PD or appropriately licensed for use. Works of the US Government are in the public domain. — Diannaa 🍁 (talk) 18:13, 23 March 2019 (UTC)