robothut Posted June 18, 2023 Share Posted June 18, 2023 Link to comment Share on other sites More sharing options...
robothut Posted June 18, 2023 Author Share Posted June 18, 2023 Link to comment Share on other sites More sharing options...
robothut Posted June 18, 2023 Author Share Posted June 18, 2023 Link to comment Share on other sites More sharing options...
robothut Posted June 18, 2023 Author Share Posted June 18, 2023 Patent for Helmholtz resonator switch in the Alphadrome patent section. 1955 and 1961 patents for Sonicon toy control. - ROBOT PATENTS - Alphadrome I am not able to past a active link for the alphadrome page, so look it up if interested. Link to comment Share on other sites More sharing options...
nasa Posted June 18, 2023 Share Posted June 18, 2023 Nice as always John..... Link to comment Share on other sites More sharing options...
RoboCopy Posted June 18, 2023 Share Posted June 18, 2023 You always make it look and sound so easy Link to comment Share on other sites More sharing options...
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