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| Patents for Robert H. Richards | |||||
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| Number | Date | Patentee | Title | Type | |
| 999,260 | Aug. 01, 1911 | R.H. Richards | Shingle-sawing machine | shingle machines | |
| 1,055,945 | Mar. 11, 1913 | E.P. Hueber, R.H. Richards | Shingle-sawing machine | shingle machines | |