robothut Posted June 3, 2010 Share Posted June 3, 2010 Patent drawings for CRACK BOT applied for in 1985 and granted in 1987. Link to comment Share on other sites More sharing options...
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robothut Posted June 3, 2010 Author Share Posted June 3, 2010 more. Link to comment Share on other sites More sharing options...
robothut Posted June 3, 2010 Author Share Posted June 3, 2010 more. Link to comment Share on other sites More sharing options...
robothut Posted June 3, 2010 Author Share Posted June 3, 2010 more. Link to comment Share on other sites More sharing options...
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