268 - Sidney Gilchrist THOMAS (1850 - 1885) (7) [1] [2]

On 10 January 1880 THOMAS filed his seventh patent application under the title of:

‍ Innovations dans la fabrication des briques réfractaires basiques

The patent was granted on 28 September 1880. [3]

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[1] FamilySearch database

[2] Wikipedia

[3] LU patent No 73

[4] see also No 235, No 240, No 242, No 243, No 251, No 259, No 274, No 275

(13/02/2021)