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Patents > Office : BE or DEG or GB & National tech categories : BE 5B or None

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Office: (Click arrow to add another value)
Inventor country:
None (1346) · GB (1048) · FR (412) · US (316) · DE (305) · IT (56) · AT (42) · CH (33) · BE (30) · CA (23) · AU (19) · RU (18) · HU (15) · IE (14) · Great Britain (10) · NZ (10) · NO (9) · ES (9) · RO (9)
Applicant firm:
None (3541) · Blackburn Aeroplane and Motor Co. (19) · Vickers (15) · British and Colonial Aeroplane Co. (8) · Sopwith Aviation Company Limited (6) · Siemens-Schuckert-Werke G.m.b.H. (5) · Varioplane Company (5) · Société anonyme Astra AB (4) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Blackburn Aeroplane & Motor Co. (4)
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First filing:
Cites these patents:
None (3673) · Patent GB-1914-23502 (2) · Patent GB-1909-8118 (2) · Patent GB-1909-3202 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · Patent GB-1913-5223 (2) · Patent GB-1901-346 (2) · 1 (2)
Citations from after 1930:
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