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| Patents for R. H. Brown & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 20,192 | May 11, 1858 | W.A. Clark | Method of seating the movable cutter in expansive bits | adjustable drill bits | |
| 226,246 | Apr. 06, 1880 | C.H. Reid | Lathe-chuck | wood lathe chucks | |
| 279,017 | Jun. 05, 1883 | C.H. Reid | Lathe-chuck | wood lathe chucks | |