| Patents for Frederick Haynes |
Patents 16 -
30
of 95
      |
| Number | Date | Patentee | Title | Type |
| 131,839 | Oct. 01, 1872 | H.H. Baker | Improvement in propulsion of canal-boats | boats and ships |
| 132,646 | Oct. 29, 1872 | S.C. Ellis | Improvement in machines for boring blind-stiles | windowblind machines |
| 137,258 | Mar. 25, 1873 | T. Stockmarr | Improvement in fluting-machines | wood shapers |
| 138,443 | Apr. 29, 1873 | H. Sillman | Improvement in band sawing-machines | bandsaws |
| 138,951 | May 13, 1873 | E.B. Stimpson | Improvement in machines for skiving leather | leatherworker |
| 139,772 | Jun. 10, 1873 | J.W. Cole | Improvement in processes of grinding journal boxes or bearings | machine making |
| 139,773 | Jun. 10, 1873 | J.W. Cole | Improvement in machines for forming, shaping, and dressing journal-boxes | machine making |
| 139,774 | Jun. 10, 1873 | J.W. Cole | Improvement in machines for dressing wheels, &c. | stone dressing machines |
| 139,775 | Jun. 10, 1873 | J.W. Cole | Improvement in machines for shaping or dressing wheels, &c. | stone dressing machines |
| 139,996 | Jun. 17, 1873 | H.H. Baker | Improvement in propelling canal-boats | boats and ships |
| 142,495 | Sep. 02, 1873 | J. Miller | Planing Machines | metal planers |
| 157,793 | Dec. 15, 1874 | J.W. Cochran | Improvement in shot-cartridges | |
| 169,035 | Oct. 19, 1875 | P. Pryibil | Improvement in band sawing-machines | band sawmills |
| 174,303 | Feb. 29, 1876 | E. Reynolds | Improvement in friction-clutches | friction clutches |
| 180,054 | Jul. 18, 1876 | L.H. Olmsted | Improvement in plaiting-machines | cloth weaving machines |
