- First street paving job in Poplar Bluff, MO in 1923
- First highway paving job in 1925 from Millersville west 14 miles to Patton on Missouri Route 9 - now Highway 72
- Various jobs in Illinois
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FIrst street paving job in Poplar Bluff, MO 1923
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FIrst street paving job in Poplar Bluff, MO 1923
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FIrst street paving job in Poplar Bluff, MO 1923
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Hosre and wagon in quarry - unknown time and location
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First highway paving job Millersville to Fredericktown - first 14 miles - 1925
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First highway paving job Millersville to Fredericktown - first 14 miles - 1925
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First highway paving job Millersville to Fredericktown - first 14 miles - 1925
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First highway paving job Millersville to Fredericktown - first 14 miles - 1925
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Subgrader patented 1931 (see Patent at bottom of this page)
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Original subgrader without engine
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Paving Route 70 near Compton, IL - Ted Regenhardt far right under checkmark.
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Ted Regenhardt and Charles Kassel US PATENT of Subgrading Machine 1931