patent for "art of producing step-by-step movements" F.W.Wood, 1922 (Q31863)
From CanonBase
patent for a stepper motor
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | patent for "art of producing step-by-step movements" F.W.Wood, 1922 | patent for a stepper motor |
Statements
7 March 1922Gregorian
0 references