| All Patents in class 322/55 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 294,095 | Feb. 26, 1884 | E. Thomson | Electric Power Distribution System | electric distribution systems |
| 323,976 | Aug. 11, 1885 | E. Thomson | Automatic commutator adjuster for dynamo electric machines | motor commutators |
| 336,780 | Feb. 23, 1886 | R.E. Ball | Dynamo Electric Machine | motor regulators |
| 350,954 | Oct. 19, 1886 | N. Tesla | Regulator for Dynamo-Electric Machines | |
| 457,330 | Aug. 04, 1891 | T.E. Adams | Automatic Brush Shifter for Dynamo Electric Machines | electric generators |
