CarveHerName on Nostr: #OnThisDay, 11 July 1871, Margaret E Knight wins a patent lawsuit and is awarded the ...
#OnThisDay, 11 July 1871, Margaret E Knight wins a patent lawsuit and is awarded the patent for flat-bottomed paper bag making machines.
No reliable image, so here's a bag in use.
#WomenInHistory #OTD #History #WomensHistory #AmericanHistory #WomenInSTEM
Published at
2024-07-11 15:23:46Event JSON
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