Oh, my!
I found it anyway.... my super sniffer internet activity located it without a problem! LOL ( I read "new posts" not the forum index).
I didn't even notice, it ticked me off so much I went to search that patent!
Thanks for posting it Chemar.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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