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| Patents for H. A. Richardson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 23,240 | Mar. 15, 1859 | B. Fitts | Method of operating feed-rollers for planing-machines | |
 | 23,763 | Apr. 26, 1859 | B. Fitts | Method of adjusting knives of rotary cutter-heads for planing wood | |
 | 44,333 | Sep. 20, 1864 | R.N. Meriam | Cutter arm for Daniels planer | |
 | 96,718 | Nov. 09, 1869 | R.N. Meriam | Improved belt-tightener | |
 | 97,950 | Dec. 14, 1869 | R.N. Meriam | Improvement in gages for circular-saw tables | |
 | 98,396 | Dec. 28, 1869 | R.N. Meriam | Improvement in cutter-heads | |