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x-patents:x-7756

Patent X-7756: 1833-09-14, Oliver

X Number Date Inventor City Title Status
X-7756 1833-09-14 William Field North Providence, RI Oliver Recovered

Comments

An “oliver” is a small foot-operated tilt hammer.

Information Sources

(To be filled in.)

x-patents/x-7756.txt · Last modified: 2019/05/25 21:49 by 127.0.0.1

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