| All Patents in class 318/380 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 273,208 | Feb. 27, 1883 | S.S. Wheeler | Electric Elevatror |
| | 324,621 | Aug. 18, 1885 | S.S. Wheeler | Electric Elevator |
 | 458,587 | Sep. 01, 1891 | J.C. Lincoln | Electric brake |
| | 925,355 | Jun. 15, 1909 | B.G. Lamme | Method of and Means for Operating Dynamo Electric Machines |
 | 1,117,140 | Nov. 10, 1914 | J.A. Osborn | Portable electrically-driven tool |
| | RE14,540 | Oct. 22, 1918 | S.H. Keefer, estate of (deceased) | Planer and System of Motor Control Therefor |
| | 2,441,291 | May 11, 1948 | E.J. Riveira | Spindle Positioning Mechanism |
| | 2,656,589 | Oct. 27, 1953 | R.B. Lesher, C.E. Greene | Semiautomatic Turret Lathe |
