| All Patents in class 200 |
Patents 211 -
225
of 397
      |
| Number | Date | Patentee | Title | Type |
| 1,889,259 | Nov. 29, 1932 | G.J. Meuer | Electric switch | electric switches |
| 1,897,405 | Feb. 14, 1933 | C.F. Thompson | Speed responsive electric switch | repulsion start induction run motors |
| 1,904,311 | Apr. 18, 1933 | F.G. Hobart | Fluid Pressure Switch | pressure controlled switches |
| 1,910,245 | May 23, 1933 | A.M. Harrelson | Centrifugal switch | centrifugal motor switches |
| 1,921,791 | Aug. 08, 1933 | C.R. Syme | Means for Adjusting the Plungers of Measuring Instruments | measurement gauges |
| 1,926,706 | Sep. 12, 1933 | E.J. Dillman, L.W. Eggleston | Control Device | industrial control apparatus |
| 1,929,662 | Oct. 10, 1933 | F.W. Wappat | Motor driven tool switch | handheld power tools |
| 1,935,511 | Nov. 14, 1933 | J.M. Luers | Tool Gauge | tool setting apparatus |
| 1,942,997 | Jan. 09, 1934 | A. Borchers | Short circuiter for electric motors | repulsion start induction run motors |
| 1,956,430 | Apr. 24, 1934 | W.B. Turner | Reversing switch | |
| 1,960,020 | May 22, 1934 | P.K. McGall | Snap switch | electric switches |
| 1,963,827 | Jun. 19, 1934 | H.C. Clay | Variable Speed Unit Control | industrial machine speed and direction changing mechanisms |
| 1,965,543 | Jul. 03, 1934 | E.J. Dillman, L.W. Eggleston | Control Device | industrial control apparatus |
| 1,975,008 | Sep. 25, 1934 | E.J. Kingsbury | Machine tool having an indexing movement | metalworking machine mechanisms |
| 1,976,048 | Oct. 09, 1934 | H.F. Caldwell, H.B. Tuthill | Motor driven lathe head | wood lathes |
