Gustav Barthel

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  1. G. Barthel German Patent 221926 Jan 31 1909

    Nicola Francesco Elia, May 23, 2022
    Replies:
    7
    Views:
    65
    Nicola Francesco Elia
    May 23, 2022

  2. G. Barthel German Patent 575222 Oct 4 1931

    Nicola Francesco Elia, May 23, 2022
    Replies:
    2
    Views:
    45
    Nicola Francesco Elia
    May 23, 2022

  3. G. Barthel German Patent 819315 Oct 2 1948

    Nicola Francesco Elia, May 23, 2022
    Replies:
    2
    Views:
    38
    Nicola Francesco Elia
    May 23, 2022

  4. G. Barthel Burners Patents

    Nicola Francesco Elia, May 23, 2022
    Replies:
    0
    Views:
    39
    Nicola Francesco Elia
    May 23, 2022

  5. G. Barthel German Patent 676047 Apr 27 1938

    Nicola Francesco Elia, May 23, 2022
    Replies:
    0
    Views:
    29
    Nicola Francesco Elia
    May 23, 2022

  6. G. Barthel German Patent 694880 Dec 20 1931

    Nicola Francesco Elia, May 23, 2022
    Replies:
    0
    Views:
    29
    Nicola Francesco Elia
    May 23, 2022

  7. SE 12457 G.Barthel 1900 patent

    multi-cho, May 21, 2022
    Replies:
    2
    Views:
    65
    Nicola Francesco Elia
    May 21, 2022

  8. SE12812-Barthel 1899 patent

    multi-cho, Feb 12, 2022
    Replies:
    0
    Views:
    104
    multi-cho
    Feb 12, 2022

  9. Barthel Laboratory Spirit Burner.

    BigScott, Aug 23, 2021
    Replies:
    1
    Views:
    44
    Rangie
    Aug 24, 2021

  10. Jet Cleaning Device - Austrian Patent 125348 - 1931

    Archivist, Sep 6, 2007
    Replies:
    0
    Views:
    1,676
    Archivist
    Sep 6, 2007

  11. Barthel Burner Patent 1898

    Archivist, Sep 6, 2007
    Replies:
    1
    Views:
    55
    Archivist
    Sep 6, 2007

  12. Filler Cap - Austrian Patent 113066 - 1929

    Archivist, Sep 6, 2007
    Replies:
    0
    Views:
    985
    Archivist
    Sep 6, 2007

  13. Burner - Swiss Patent 17075 - 1898

    Archivist, Sep 6, 2007
    Replies:
    0
    Views:
    989
    Archivist
    Sep 6, 2007

  14. 2 Part Burner - Swiss Patent 12930 - 1896

    Archivist, Sep 6, 2007
    Replies:
    0
    Views:
    1,075
    Archivist
    Sep 6, 2007

  15. Stove - Swiss Patent 11992 - 1896

    Archivist, Sep 6, 2007
    Replies:
    0
    Views:
    1,000
    Archivist
    Sep 6, 2007

  16. Burner - Swiss Patent 10723 - 1895

    Archivist, Sep 6, 2007
    Replies:
    0
    Views:
    1,031
    Archivist
    Sep 6, 2007
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