| Patents for Greenlee Brothers & Co. |
Patents 31 -
45
of 52
      |
| Number | Date | Patentee | Title | Type |
| 1,758,069 | May 13, 1930 | J.H. Abramson | Bit Extension | drill bit extensions |
| 1,971,289 | Aug. 21, 1934 | E.C. Swanson, J.H. Abramson | Ratcheting Screwdriver | spiral screwdrivers |
| 1,971,290 | Aug. 21, 1934 | E.C. Swanson, J.H. Abramson | Ratchet mechanism | spiral screwdrivers |
| 1,971,291 | Aug. 21, 1934 | E.C. Swanson, J.H. Abramson | Ratchet device | spiral screwdrivers |
| 2,664,126 | Dec. 29, 1953 | E.C. Swanson, J.H. Mansfield | Ratchet spiral screw driver | spiral screwdrivers |
| 3,118,129 | Jan. 21, 1964 | G.C. Ensley | Portable cable puller | electrician |
| 3,166,810 | Jan. 26, 1965 | G.C. Ensley | Cable grip | electrician |
| 3,224,733 | Dec. 21, 1965 | G.C. Ensley | Portable cable puller | electrician |
| 3,244,402 | Apr. 05, 1966 | G.C. Ensley | Apparatus for installing lines through conduits | electrician |
| 3,373,637 | Mar. 19, 1968 | H.N. Behnke | Multiple purpose portable rotary drive unit | handheld power tools |
| 3,389,660 | Jun. 25, 1968 | R.E. Gerrstrum, R.F. Van Allen | Pump with pressure relief | hydraulic pumps |
| 3,824,834 | Jul. 23, 1974 | H.B. Durham | Cable bender | electrical conduit apparatus |
| 3,924,438 | Dec. 09, 1975 | W.E. Smeltzer, K. Hagemeyer, V.W. Pearson, W. Linquist | Hydraulic cable bender | electrical conduit apparatus |
| 3,949,584 | Apr. 13, 1976 | L.G. Adleman, V.W. Pearson | Bending apparatus having a roller support unit for E.M.T., conduit and thin wall tubing | electrical conduit apparatus |
| 4,353,164 | Oct. 12, 1982 | V.W. Pearson, W. Linquist | Draw punch | metal punches |
