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Patent Drawing of Engine - Bicycle Trailer Patent (1903) Public domain image

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Summary

Bicycle patent art from United States Patent Office

Bicycle patent drawings from 19th century US Patent Office patent applications.

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carrier patent application bicycle uspto patents patent office trailer patent drawings old patents inventions
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Date

1903
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Bicycle Patent Art

Vintage Patent Art
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Link

https://www.uspto.gov/
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Public Domain

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