| All Patents in class 242/433.4 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 605,154 | Jun. 07, 1898 | H.H. Wait | Instrument Winding Device | wire winding machines |
| 874,163 | Dec. 17, 1907 | P.E. Chapman | Armature-winding machine | electric motor making |
| 1,121,798 | Dec. 22, 1914 | P.E. Chapman | Drum-armature-winding machine | electric motor making |
| 1,351,230 | Aug. 31, 1920 | P.E. Chapman | Armature and coil winding machine | electric motor making |
| 1,500,181 | Jul. 08, 1924 | P.E. Chapman | Armature and coil winding machine | wire winding machines |
| 1,523,630 | Jan. 20, 1925 | P.E. Chapman | Armature-winding machine | electric motor making |
| 1,579,808 | Apr. 06, 1926 | P.E. Chapman | Armature-winding machine | electric motor making |
| 1,662,881 | Mar. 20, 1928 | P.E. Chapman | Armature-winding machine | electric motor making |
