| Patents Granted on 1940-10-?? |
Patents 1 -
15
of 45
      |
| Number | Date | Patentee | Title | Type |
| 2,216,308 | Oct. 01, 1940 | E.C. Ballman | Method and Means for Balancing Grinding Wheels | wheel truing devices |
| 2,216,550 | Oct. 01, 1940 | H. Ernst | Machine Tool Control Mechanism | milling machines |
| D122,913 | Oct. 08, 1940 | L.F. Atwood | Design for a power saw | radial arm saws |
| D122,958 | Oct. 08, 1940 | R.F. Kneisley | Design for a surfacing machine | handheld power sanders |
| D122,970 | Oct. 08, 1940 | R.F. Kneisley | Design for a surfacing machine | handheld power sanders |
| 2,216,788 | Oct. 08, 1940 | O. Severson | Tapered Serrated Wedge Lock | lathe tool holders and tool posts |
| 2,216,795 | Oct. 08, 1940 | W.F. Aller | Measuring Instrument | measurement gauges |
| 2,216,800 | Oct. 08, 1940 | W.G. Baldenhofer | Hydraulic Control Device | hydraulic apparatus |
| 2,216,828 | Oct. 08, 1940 | E.J. Paque | Power driven hack saw | power hacksaws |
| 2,216,878 | Oct. 08, 1940 | L.F. Densmore | Method of Forming Detents | socket wrenches |
| 2,217,002 | Oct. 08, 1940 | W.T. Burbank | Air Cooling Means | cooling apparatus |
| 2,217,007 | Oct. 08, 1940 | H. Davids | Cooling Jacket Structure for Internal Combustion Engines | diesel engines |
| 2,217,048 | Oct. 08, 1940 | C.W. Floss | Magnetic work holder | magnetic chucks |
| 2,217,069 | Oct. 08, 1940 | D.A. Meeker | Coffee mill | coffee mills |
| 2,217,070 | Oct. 08, 1940 | D.A. Meeker | Food handling apparatus | |
