robothut Posted June 3, 2010 Share Posted June 3, 2010 here are the patent drawings for DUST BOT applied for in 1985 and granted in 1987. Link to comment Share on other sites More sharing options...
kennetzel Posted June 3, 2010 Share Posted June 3, 2010 I have one of these...thanks for posting. Link to comment Share on other sites More sharing options...
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