| Patents for Howell Bartle |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 236,422 | Jan. 11, 1881 | R. Bickemeyer | Lathe for turning irregular forms | pattern lathes |
| 238,871 | Mar. 15, 1881 | R. Eickemeyer | Sewing-machine | sewing machines |
| 240,311 | Apr. 19, 1881 | R. Eickemeyer | Hat Pouncing Machine | hat making machines |
| 342,290 | May 18, 1886 | R. Dutton | Machine for Grinding Mowing Machine Knives | sharpeners |
| 369,163 | Aug. 30, 1887 | G.M. Clark | Disk-harrow | harrows |
| 401,453 | Apr. 16, 1889 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 418,418 | Dec. 31, 1889 | L.H. Nash | Method of Operating Gas Engines | gas and gasoline engines |
| 418,419 | Dec. 31, 1889 | L.H. Nash | Igniter for Gas Engines | ignition systems |
| 544,726 | Aug. 20, 1895 | R.C. Fawcett | Bicycler's Tool | bicycle or pocket wrenches |
| 568,404 | Sep. 29, 1896 | R.C. Fawcett | Bicycle Tool | bicycle or pocket wrenches |
| CA-54,008 | Nov. 09, 1896 | R.C. Fawcett | Bicycle Tool | bicycle or pocket wrenches |
| 583,627 | Jun. 01, 1897 | L.H. Nash | Gas Engine | ignition systems |
