| Patents for John L. H. Frank |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 296,186 | Apr. 01, 1884 | W. Krutzsch | Apparatus for pressing oil-cakes | seed or nut oil apparatus |
| 296,187 | Apr. 01, 1884 | W. Krutzsch | Apparatus for extracting oil from oleaginous substances | seed or nut oil apparatus |
| 328,413 | Oct. 13, 1885 | W. Krutzsch | Roller-mill | seed or nut oil apparatus |
| 334,710 | Jan. 19, 1886 | W. Krutzsch | Oil-cup | oil cups |
| 349,280 | Sep. 14, 1886 | J.O. Joyce | Bench Vise | bench vises |
| 361,879 | Apr. 26, 1887 | W. Krutzsch | Meal-cake-molding box | seed or nut oil apparatus |
| 402,088 | Apr. 23, 1889 | W. Krutzsch | Tobacco-cutting machine | |
| 660,398 | Oct. 23, 1900 | G.A. Sauer | Hydraulic press | hydraulic presses |
| 697,251 | Apr. 08, 1902 | J.H. Hubbell | Cage-press | seed or nut oil apparatus |
