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description

Summary

Drawing of the first William F. Ludwig pedal patent: Drum and cymbal playing apparatus.

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Tags

patents patent drawings us patent office bass drums in art drum pedals ludwig drums united states patent drawings inventions
date_range

Date

25/05/1909
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Source

USPTO
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Link

http://uspto.gov/
copyright

Copyright info

public domain

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patents patent drawings us patent office bass drums in art drum pedals ludwig drums united states patent drawings inventions