Difference between revisions of "Patent for ‘Method for producing stage sounds’. 1920, Schwabe & Co (Q39993)"
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(Changed claim: Copy available online (P37): https://patents.google.com/patent/DE327234C) | (Changed claim: mentions (P78): sound effect (Q3408)) | ||||||||||||||||||||||||||
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| Property / Publication date | Property / Publication date | ||||||||||||||||||||||||||
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| + | 7 October 1920Gregorian
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| Property / mentions | Property / mentions | ||||||||||||||||||||||||||
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Latest revision as of 13:25, 28 July 2026
No description defined
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Patent for ‘Method for producing stage sounds’. 1920, Schwabe & Co | No description defined |
Statements
7 October 1920Gregorian
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