Drilldown: Patents
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Year filed:
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None (2) ·
A. W. Peust (1) ·
Berthold Wassermann (1) ·
Frida Riotte (1) ·
Heinrich PIEPER (1) ·
Johann Schütte (3) ·
Johannes Schilling (4) ·
Käthe Paulus (1) ·
Max Lochner (1) ·
Oskar Nauss (2) ·
Paul Lehmann (3) ·
Ulrich Lübbert (1) ·
W. Roeder (1) ·
Walter Hermann von Mach (2) ·
Wilhelm HOELTRING (1)
Inventor country: (Click arrow to add another value)
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Citations from after 1930:
Showing below up to 25 results in range #1 to #25.
