Anna Siebert, GB189311534A
Improvements in Sewing Machines.
On February 17, 1894, Anna Siebert, a noblewoman living in Darmstadt, Germany, was awarded a patent for improvements to the chain stitch used in a lockstitch sewing machine, which she had been previously registered in 1891.
Date of Application: 12 June 1893
Date of Issuance: 17 February 1894
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