Drilldown: Patents

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Patents > Office : GB or IN or LU & First filing: None & Number of claims: 4-6

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Inventors:
Everard Richard Calthrop (4) · None (2)
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Tech fields:
propulsion (12) · frame (9) · navigation (8) · airplane (8) · LTA (6) · stability (5) · design (5) · balloon (5) · parachute (5) · marine (4) · heavier-than-air (4) · rudder (4) · safety (4)
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Citations from after 1930:
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Showing below up to 48 results in range #1 to #48.

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