Difference between revisions of "patent for "art of producing step-by-step movements" F.W.Wood, 1922 (Q31863)"
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(Created claim: Copy available online (P37): https://patents.google.com/patent/US1408555A) | (Removed claim: Instance of (P1): Early history of moving lights (Theme) (Q31713), #quickstatements; #temporary_batch_1694073319027) | ||||||||||||||
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| Property / mentions: Stepper motor / rank | |||||||||||||||
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| Property / Backup document: US1408555.pdf / rank | |||||||||||||||
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| Property / Publication date | |||||||||||||||
| + | 7 March 1922Gregorian
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| Property / Publication date: 7 March 1922Gregorian / rank | |||||||||||||||
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| Property / is used in theme | |||||||||||||||
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| Property / is used in theme: Early history of moving lights (Theme) / rank | |||||||||||||||
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Latest revision as of 07:56, 7 September 2023
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