| All Patents in class 200/6R |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 684,188 | Oct. 08, 1901 | J. Burke | Brush-holder | motor brush holders |
| 1,548,020 | Aug. 04, 1925 | S.D. Black, A.G. Decker | Reversing means for electric tools | handheld power tools |
| 1,742,109 | Dec. 31, 1929 | L.J. Weber | Electric switch mechanism | motor controls |
| 1,996,468 | Apr. 02, 1935 | H. Ernst | Electrical Control for Hydraulic Motors | motor controls |
| 2,203,297 | Jun. 04, 1940 | B.R. Granberg | Control mechanism | |
| 2,650,961 | Sep. 01, 1953 | I.A. Weaver | Pickup Device for Use with Balance Testing Machines | balancing machinery |
| 2,831,361 | Apr. 22, 1958 | J.C. Hollis | Machine Tool Feed Transmission and Controls Therefor | tool changers and storage mechanisms |
