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| Patents for John R. Rowlands | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 293,360 | Feb. 12, 1884 | J.R. Rowlands | Driving Mechanism for Fan Blowers | |
 | 300,283 | Jun. 10, 1884 | J.R. Rowlands | Driving mechanism for fan-blowers | |
 | 307,229 | Oct. 28, 1884 | J.R. Rowlands | Bolt Cutter | |