| All Patents in class 83/647 |
Patents 46 -
54
of 54
      |
| Number | Date | Patentee | Title | Type |
| 2,202,256 | May 28, 1940 | O.M. Jensen, F.T. Wruk, T.W. Whitley | Hydraulic feed for power driven hack saws | power hacksaws |
| 2,216,828 | Oct. 08, 1940 | E.J. Paque | Power driven hack saw | power hacksaws |
| 2,300,047 | Oct. 27, 1942 | O.M. Jensen, F.T. Wruk, J.R. McDonald | Hydraulically controlled metal hack saw | power hacksaws |
| 2,337,629 | Dec. 28, 1943 | W.H. Shortell | Tension gauge for hack saw blades | hacksaws |
| 2,381,988 | Aug. 14, 1945 | W.H. Shortell | Pressure indicator for hack saws | metal sawing machines |
| 2,686,351 | Aug. 17, 1954 | D.L. Chandler | Power-driven hacksaw | metal sawing machines |
| 3,451,300 | Jun. 24, 1969 | R.C. Messinger | Pneumatic Support for Fexible Table Top | metalworking machine mechanisms |
| 3,503,295 | Mar. 31, 1970 | E.C. Bruns, J.G. Wiatt | Support for Flexible Table Top | metalworking machine mechanisms |
| 3,863,342 | Feb. 04, 1975 | R.O. Robison, R.W. Taylor, D.R. Griffies | Saber saw | handheld power jigsaws |
