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| Patents for Richard A. Niekamp | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 2,116,708 | May 10, 1938 | R.A. Niekamp | Apparatus for compacting concrete | |
 | 2,320,379 | Jun. 01, 1943 | R.A. Niekamp | Electric motor gearing | |
 | 2,385,369 | Sep. 25, 1945 | R.A. Niekamp | Shaft coupling | |