| Patents for Grace A. Pugh |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 956,643 | May 03, 1910 | W.F. Groene, R.K. Blond | Milling-machine | milling machines |
| 959,520 | May 31, 1910 | W.F. Groene | Combined oil-bush and friction device | metalworking machine clutches |
| 998,088 | Jul. 18, 1911 | W.F. Groene, H.C. Pierle | Hob-grinding attachment | cutter grinding machines |
| 1,152,647 | Sep. 07, 1915 | W.F. Groene, R.K. Blond | Milling-machine | milling machines |
| 1,170,830 | Feb. 08, 1916 | W.F. Groene, R.K. Blond | Variable-speed mechanism | milling machines |
| 1,203,751 | Nov. 07, 1916 | W.F. Groene, R.K. Le Blond | Gearing | industrial machine gearing |
| 1,248,317 | Nov. 27, 1917 | W.F. Groene, H.C. Pierle | Machine-tool | metalworking machines |
