Drilldown: Patents
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airplane (36) ·
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None (22) ·
1909-10-30 (1) ·
1910-07-02 (1) ·
1910-08-24 (1) ·
1910-10-31 (1) ·
1911-08-12 (1) ·
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62219 (1) ·
62580 (1) ·
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70446 (1) ·
75495 (1) ·
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None (43) ·
-1 (1) ·
1 (6) ·
1908-12-31 (1) ·
1910562264 (1) ·
1912-01-30 (1) ·
flapping (1) ·
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Yes (20)
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None (37) ·
1 (8) ·
1908470141 (1) ·
1910-02-21 (1) ·
1910-04-21 (1) ·
1910-08-16 (1) ·
1910-11-08 (1) ·
1911-01-10 (1) ·
1911-01-24 (1) ·
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1911-04-11 (1) ·
1911-04-25 (1) ·
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1911-06-13 (1) ·
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25156 (1) ·
518138 (1) ·
522137 (1) ·
525455 (1) ·
535910 (1) ·
546548 (1) ·
549527 (1) ·
553917 (1) ·
561493 (1) ·
582078 (1) ·
602392 (1) ·
635489 (1) ·
661007 (1) ·
710720 (1) ·
742255 (1) ·
746229 (1) ·
775522 (1) ·
balloon (1) ·
landing (1) ·
safety (1) ·
takeoff (1)
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0.5 (1) ·
1 (31) ·
121690 (1) ·
1908436280 (1) ·
1909485032 (1) ·
1909506182 (1) ·
1909521812 (1) ·
1910-02-05 (1) ·
1910560959 (1) ·
1912-01-16 (1) ·
525577 (1) ·
570134 (1) ·
578755 (1) ·
589862 (1) ·
643751 (1) ·
balloon (1) ·
landing (1) ·
wheels (1)
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None (40) ·
0 (2) ·
1 (6) ·
1909 (4) ·
1910 (6) ·
1911 (4) ·
1912 (1) ·
1913 (1) ·
2 (1) ·
545215 (1) ·
556799 (1) ·
B64C5/02 (1) ·
CPC B64B1/00 (1) ·
South Dakota (1) ·
USPC 244/100R (1) ·
USPC 244/123.9 (1) ·
USPC 244/233 (1) ·
USPC 244/26 (1) ·
USPC 244/35R (1) ·
USPC 244/45R (1) ·
USPC 244/47 (1) ·
USPC 244/48 (2) ·
USPC 244/50 (1) ·
USPC 244/87 (2) ·
USPC 244/90R (1) ·
USPC 244/93 (1)
Citations from after 1930:
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Showing below up to 99 results in range #1 to #99.
