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Dyna-Mite Model 6410, 1964, built by Dyna Manufacturing Company, Tucson, Arizona.
The vehicle that was to be built as the Dyna-Mite was invented around 1961 by Clarence S. Hadlock of Mesa, Arizona. It was also named Sadie.
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I am confused. Is Clarence S. Hadlock the designer of the puzzle drawing?
Designed by Donald R Lemmerman ?
Designed by Robert C. Symons ?
Was it patented before 1961 ?
Patented between 1961 and 1964 ?
Articulated vehicle by William B. Ammon, 1963.