User contributions for Ray Van De Walker

A user with 8 edits. Account created on 21 March 2011.
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29 March 2016

  • 06:4506:45, 29 March 2016 diff hist +1,099 N File:SunTopHousePatentDwgFig1.png {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|This is the perspective view of one quarter of a Suntop quadruplex, figure 1 of U.S. Design Patent 114,204 filed Oct.11 1938 by Frank Lloyd Wright.}} |Source = http://pdfpiw.us...

25 February 2015

21 March 2011

  • 08:5808:58, 21 March 2011 diff hist +704 N File:Geyserpump.PNG {{Information |Description ={{en|1=Geyser pump.}} |Source =U.S. patent application No. 11/654,448 |Author =Masao Kondo |Date =2007-01-17 |Permission ={{PD-US-patent-no notice}} |other_versions = }} A geyser pump, an improv
  • 08:3208:32, 21 March 2011 diff hist +597 N File:Airliftpump1.PNG {{Information |Description ={{en|1=An airlift pump.}} |Source =U.S. patent application No. 11/654,448 |Author =Masao Kondo |Date =2007-01-17 |Permission ={{PD-US-patent-no notice}} |other_versions = }} It is powered by com