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Patents > Tech fields : Balloon or engines & Number of text pages: 3

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Office:
Inventors:
Johann Schütte (6) · Leonardo Torres Quevedo (3) · Heinrich Suter (3) · None (3) · Walter Hermann von Mach (2) · Ralph Hazlett Upson (2) · George Sutherland Dodman (2) · Louis-Étienne Roze (2) · Melvin Vaniman (2) · Alfred Chiodera (2)
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Applicant person:
None (24) · Johann Schütte (5) · Leonardo Torres Quevedo (3) · Melvin Vaniman (2) · Walter Herrmann von Mach (2) · George Sutherland Dodman (2)
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None (41)
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Related to aircraft:
Patent agent:
None (30) · Marks & Clerk (4) · Herbert Haddan & Co. (3) · Haseltine, Lake & Co. (2) · Munn & Co. (2)
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Citations from after 1930:
Number of text pages:
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