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Patents > Inventor country: US & Applicant type: None & IPCs: None & Number of diagram pages: 1-2

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Office:
Inventors:
Orville Wright (3) · William Whitney Christmas (2) · William Beeson (2) · Wilbur Wright (2) · Edward Joel Pennington (2) · Gustave Whitehead (2)
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Tech fields:
stability (13) · frame (12) · airplane (9) · propeller (8) · LTA (8) · propulsion (5) · kite (5) · navigation (5) · airfoil (4) · glider (4) · None (4) · whole (4) · safety (4) · subsystem (4) · marine (3) · military (3) · projectile (3)
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National tech categories:
None (10) · AU 90.3 (3) · USPC 244/153R (3) · AT 77d (2) · DE 77 (2) · USPC 244/16 (2) · USPC 244/72 (2)
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Citations from after 1930:
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