| Patents for H. R. Sullivan |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 908,142 | Dec. 29, 1908 | P.H. Root | Lawn Mower Grinder |
 | 930,472 | Aug. 10, 1909 | F.I. Harding | Valve Grinder |
 | 950,560 | Mar. 01, 1910 | P.H. Root | Lawn Mower Grinder |
| | 965,402 | Jul. 26, 1910 | H.W. Oster | Threading-machine |
| | 965,404 | Jul. 26, 1910 | H.W. Oster | Die-stock |
| | 966,217 | Aug. 02, 1910 | F.W. King | Electric drill |
| | 977,539 | Dec. 06, 1910 | H.W. Oster | Die-stock for cutting tapered threads |
| | 979,789 | Dec. 27, 1910 | H.W. Oster | Die-stock |
| | 979,790 | Dec. 27, 1910 | H.W. Oster | Die-stock |
 | 999,272 | Aug. 01, 1911 | C.W. Stover | Pipe Wrench |
