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Patents > Office : BE or CH or US & Inventors: None & CPCs: None

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None (191) · Airplane (8) · design (5) · propulsion (5) · marine (4) · Frame (4) · wings (4) · Construction (3) · hull (2) · valve (2) · Subsystem (2) · propellers (2) · motors (2) · hydroplane (2) · LTA (2) · Flapping (2)
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USPC 244/139 (17) · USPC 244/147 (16) · USPC 244/142 (15) · USPC 244/153R (12) · BE K (11) · None (10) · USPC 244/53A (9) · USPC 244/149 (8) · USPC 244/144 (6) · USPC 244/65 (5) · USPC 244/3.1 (5) · USPC 244/138R (5) · USPC 244/143 (4) · USPC 244/155R (3) · USPC 244/3.14 (3) · USPC 244/3.23 (3) · USPC 244/141 (3) · USPC 244/1R (3) · USPC 244/73R (3)
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Showing below up to 217 results in range #1 to #217.

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