| Patents for John Richards |
Patents 16 -
30
of 42
      |
| Number | Date | Patentee | Title | Type |
| 68,791 | Sep. 10, 1867 | W.H. Doane, J. Richards | Improvement in mortising machines | mortising machines |
| 69,953 | Oct. 15, 1867 | J. Richards | Fixed Caliper Gauge | measurement gauges |
| 69,954 | Oct. 15, 1867 | J. Richards | Standard Gauges | measuring tools |
| 78,013 | May 19, 1868 | J. Richards | Spindle Bearing | metalworking machine bearings |
| 79,249 | Jun. 23, 1868 | J. Richards, G.V. Orton | Improvement in mortising-machines | mortising machines |
| 81,407 | Aug. 25, 1868 | J. Richards | Improvement in mortising-machines | mortising machines |
| 85,131 | Dec. 22, 1868 | J. Richards | Expansive-gearing for feeding-rolls | wood planers |
| 88,331 | Mar. 30, 1869 | J. Richards | Improvement in machine for making joints in table-leaves | wood shapers |
| 103,080 | May 17, 1870 | J. Richards | Driving planer feed-rolls | wood planers |
| D4,145 | Jun. 07, 1870 | J. Richards | Design for a band-saw frame | bandsaws |
| 104,770 | Jun. 28, 1870 | W.H. Thorne, J. Richards | Improvement in band-sawing machines | band resaws |
| 109,665 | Nov. 29, 1870 | J. Richards | Improvement in the Manufacture of Wrenches | wrenches |
| 114,043 | Apr. 25, 1871 | J. Richards | Improvement in saw-mills | band resaws |
| 114,710 | May 09, 1871 | J. Richards | Improvement in band sawing-machines | bandsaws |
| 143,531 | Oct. 07, 1873 | J. Richards | Improvement in gaining-machines | dado machines |
