| Patents for Greenlee Bros. & Co. |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 1,655,836 | Jan. 10, 1928 | A.H. Hawkinson | Saw Toothed Wood Boring Bit |
 | 1,758,069 | May 13, 1930 | J.H. Abramson | Bit Extension |
| | 3,118,129 | Jan. 21, 1964 | G.C. Ensley | Portable cable puller |
| | 3,166,810 | Jan. 26, 1965 | G.C. Ensley | Cable grip |
| | 3,224,733 | Dec. 21, 1965 | G.C. Ensley | Portable cable puller |
| | 3,244,402 | Apr. 05, 1966 | G.C. Ensley | Apparatus for installing lines through conduits |
| | 3,389,660 | Jun. 25, 1968 | R.E. Gerrstrum, R.F. Van Allen | Pump with pressure relief |
