31 déc. 1877 - Wallace applies for patent on
machine to bend chain links in Indianapolis, IN
Description:
https://www.google.com/books/edition/Official_Gazette_of_the_United_States_Pa/oeh8AAAAMAAJ?hl=en&gbpv=1&dq=%22Wallace+A.+Heald%22&pg=PA497&printsec=frontcover
Filed with William B Conway
Ajouté au bande de temps:
Date:
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