Drilldown: Patents

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Patents > Tech fields : military or navigation & Family year: 1800 - 1899 & Number of claims: None

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None (187) · Louis-Honoré Gauthier (5) · Blaise Bontems (4) · l'abbé Jean-Martin Demongeot (4) · Jean-Louis Le Hir (3) · Pierre-Nicolas-Victor Lahérard (3) · Nathan Scholfield (3) · Edward Arthur Pearse (3) · Guégnot (3) · Jose Pesaña y Piñol (2) · Jean-Baptiste Guilbert (2) · Folacci (2) · Meller (the younger) (2) · Albert Livingstone Blackman (2) · Chaigneau (2) · Edmund Edwards (2) · Alfred Julius Boult (2)
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None (239) · Desnos (5) · Armengaud jeune (4) · Blétry aîné (4) · Casalonga (3) · Chassevent (3) · Dufrené (3) · Alfred Julius Boult (2) · Léopold D’Aubreville (2) · Edmund Edwards (2) · Engelfred (2) · Émile Barrault (2) · Jules Mathieu (2) · Dieuaide (2)
National tech categories:
None (125) · FR 6.3 (69) · FR 5 (32) · FR 6.4 (16) · FR 6 (13) · USPC 244/3.23 (9) · GB 4 with buoyant (7) · FR 6.2 (6) · DE 77 (4) · USPC 102/371 (4) · GB 4 propel & steer (3) · USPC 244/51 (3) · USPC 244/3.3 (3) · USPC 244/27 (3) · USPC 89/1.51 (3)
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