On Wed, 1 Apr 2009 16:27:03 -0700 (PDT), RicodJour
"The original idea for a table of this type was formed in the
nineteenth century by a man named Robert Jupe, who patented his design
I can't find the original patent from 1835 (GB 6788) but GB patent
2396552 details this improved design
click on original document tab and then on save full document tab
See also US patent 7311047
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