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Patents > CPCs : CPC B64C33/02 or CPC B64C39/005 & Number of diagram pages: 2

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Inventors:
Isaac Bell (2) · John Philip McGuire (2) · Herbert Wiley Hetherington (2) · Charles I. Matson (2) · John Henry Jensen (2) · Ruter William Springer (2) · John Marshall (2) · Robert Strehlau (2)
Inventor country:
Applicant person:
None (2) · Ruter William Springer (2) · Herbert Wiley Hetherington (2) · John Henry Jensen (2) · John Marshall (2) · John Philip McGuire (2) · Charles I. Matson (2) · Isaac Bell (2)
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Tech fields:
flapping (29) · None (25) · propulsion (23) · ornithopter (21) · frame (19) · airplane (17) · navigation (13) · propeller (12) · hybrid (12) · Wings (10) · Design (9) · LTA (9) · helicopter (7) · rudder (7) · Landing (6) · wheels (5) · propellers (5) · airfoil (5) · HTA (5)
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Application number:
None (11)
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Related to aircraft:
Patent agent:
None (14) · None (6) · Munn & Co. (5) · C. A. Snow & Co. (2) · J. Germain (2) · Frederick Benjamin (2) · Foster, Freeman, Watson & Coit (2) · J. S. Withers & Spooner (2) · Marks & Clerk (2) · E. Blétry (2) · H. D. Fitzpatrick & Co. (2) · Boramé et Julien (2) · Boult, Wade & Tennant (2)
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Citations from after 1930:
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