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| Patents for Oil Well Supply Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 171,999 | Jan. 11, 1876 | W. Crumbie | Improvement in Pipe-Wrench or Tongs | |
 | 250,029 | Nov. 22, 1881 | D. Worden | Pipe Tongs | |
 | 345,777 | Jul. 20, 1886 | G.E. Franklin | Pipe Wrench | |
| 1,259,852 | Mar. 19, 1918 | E.E. Greve | Rotary Drilling Apparatus | ||
| 1,259,855 | Mar. 19, 1918 | E.E. Greve | Rotary Drilling Apparatus | ||