Drilldown: Patents

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Patents > Filing date: 1900 - 1909 & National tech categories : USPC 244/153R or USPC 244/30 or USPC 244/80 & First filing: Yes

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Office:
Inventors:
Alexander Graham Bell (2) · James Means (2) · Peter Cooper Hewitt (2)
Inventor country:
Applicant person:
None (3) · Peter Cooper Hewitt (2) · Alexander Graham Bell (2) · Augustus F. W. Macmanus (2) · James Means (2)
Applicant type:
Applicant is inventor:
Tech fields:
LTA (20) · navigation (10) · kite (9) · stability (9) · propulsion (8) · airplane (6) · frame (6) · propeller (5) · None (5) · rudder (4) · takeoff (4) · safety (3) · car (3) · marine (3) · equilibrium (3)
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Citations from after 1930:
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Showing below up to 52 results in range #1 to #52.

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