Drilldown: Patents
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Patents > Office :
DE or
NL
& National tech categories :
DE 77h.10 or
USPC 244/80
& Number of figures:
2-4
Use the filters below to narrow your results.
None (1) ·
Charles Bellens (1) ·
Désiré Nault (1) ·
Emmanuel-François-Michel Farcot (1) ·
Erhard Brunsmann (1) ·
Ferdinand Klepsch (1) ·
Friedrich Kopsch (1) ·
Gerhard Beer (1) ·
Heinrich Jelinek (1) ·
Hermann Zimmermann (1) ·
Hugo Lentz (1) ·
Josef Bércz (1) ·
Max Kästner (1) ·
Max Mühter (1) ·
Otto Wittkowski (1) ·
Richard Mentz (1)
Showing below up to 13 results in range #1 to #13.
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- Calendar: Year filed
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