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Patents > Year granted: 1909 & Filing date: May 1909 & Granted: Yes

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None (3) · Alfred E. Wunderlich (3) · Johannes Schilling (3) · Augustus Moore Herring (2) · Heinrich Riedel (2) · Johann Schütte (2) · Paul Schmitt (2)
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None (6) · Alfred E. Wunderlich (3) · Heinrich Riedel (2) · Augustus Moore Herring (2) · Johannes Schilling (2) · Johann Schütte (2) · Paul Schmitt (2)
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None (8)
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CPCs:
CPC B64C39/00 (10) · CPC B64C2700/6295 (7) · None (6) · CPC B64B1/00 (3) · CPC B64C33/02 (2) · CPC B64C23/005 (2) · CPC B64C2700/6281 (2) · CPC B64B1/58 (2)
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