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Patents > Year granted: 1918 & CPCs : CPC B64C39/00 or None

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None (31) · Emil Schimanek (4) · Harry L. Tanner (3) · Hannibal C. Ford (3) · Gustav Lilienthal (2)
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None (43) · Emil Schimanek (3)
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None (15) · HU V/h (10) · AT 77d (8) · DE 77h.15 (5) · DE 46c.5 (4) · DE 77h.5 (3) · DE 77h.6 (3) · HU VII/a (2) · DE 42k.18 (2) · DE 42c.41 (2) · DE 42c.35 (2)
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Showing below up to 83 results in range #1 to #83.

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