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  • ...patent at this date. However in the ''Abridgments'' the name is given as ''Kohrmann, L''. |Inventors=Ludwig Rahrmann; Ludwig Kohrmann
    1 KB (162 words) - 05:51, 29 November 2021
  • ...have him acting as a patent agent for either "Ludwig Rahrmann" or "Ludwig Kohrmann".<ref>[[Patent GB-1891-12669]]</ref><ref>[[Abridgment of patent specificati
    1,011 bytes (139 words) - 18:51, 9 September 2023