| Patents for Peter Kettenring |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 92,395 | Jul. 06, 1869 | C.C. Strong | Improved boring-tool |
 | 259,317 | Jun. 13, 1882 | P. Kettenring | Plow attachment |
| | 324,707 | Aug. 18, 1885 | P. Kettenring | Barrel-hoop machine |
 | 378,322 | Feb. 21, 1888 | P. Kettenring | Lathe for irregular forms |
 | 390,083 | Sep. 25, 1888 | P. Kettenring | Band-saw machine |
| | 427,695 | May 13, 1890 | P. Kettenring | Felly-polishing machine |
 | 429,924 | Jun. 10, 1890 | P. Kettenring | Spoke lathe |
| | 609,336 | Aug. 16, 1898 | G.A. Ensign | Machine for making skewers, pins, &c. |
