| All Patents in class 144/30 |
Patents 46 -
53
of 53
      |
| Number | Date | Patentee | Title | Type |
| 707,584 | Aug. 26, 1902 | J.P. Dawson, D. Greenwalt | Drill Shaper | metal shapers |
| 712,815 | Nov. 04, 1902 | A.B. Landis | Work-rest for grinding-machines | grinders |
| 895,287 | Aug. 04, 1908 | J. McDonald | Sprag sharpener | |
| 933,414 | Sep. 07, 1909 | G.W. Bowers | Peg-wood sharpener | stick pointing machines |
| 935,779 | Oct. 05, 1909 | J. Conway | Post sharpener | stick pointing machines |
| 1,112,539 | Oct. 06, 1914 | A.B. Landis | Bolt-threading machine | metal threading machines |
| 1,981,183 | Nov. 20, 1934 | A. Margelis | Dowel-making machine | wood compressing machines |
| 4,131,143 | Dec. 26, 1978 | G.L. Mayo | Apparatus for cutting floor truss web components | radial arm saws |
