USPC 244/89

USPC 244/89 Elevators both front and rear: Horizontal rudders arranged at both the front and the rear of aircraft. Subclass USPC 244/90]: Ailerons and other roll control devices: Devices for controlling aircraft about their horizontal fore-and-aft axes.

Patents in this category

• Patent US-1914-1094247
• Patent US-1908-884432 (Applicant person: Melvin Vaniman)
• Patent US-1911-1005232 (Applicant person: Christian F Kohlruss)
• Patent US-1911-1008096 (Applicant person: WILLOUGHBY HUGH L)
• Patent US-1914-1096251 (Applicant person: James S Lang)
• Patent US-1911-1000252 (Applicant person: Robert F Gardner)
• Patent US-1915-1124584 (Applicant person: Wilber S. Barrows • Asahel H. Barrows)
• Patent US-1911-994782 (Applicant person: Thomas N Putnam)
• Patent US-1910-999959 (Applicant person: Julius Christian Christiansen)
• Patent US-1911-1001941 (Applicant person: Victor P Fleiss)
• Patent US-1911-1006969 (Applicant person: Robert E. Miller)
• Patent US-1914-1094989 (Applicant person: GREGORY ELI EDWARD)
• Patent US-1914-1096252 (Applicant person: James S Lang)
• Patent US-1916-1172196 (Applicant person: Richardson Aeroplane Company)
• Patent US-1916-1210376 (Applicant person: William Morton James)
• Patent US-1918-1279127 (Applicant person: Christopher John Lake)

Enclosing categories	USPC 244/87
Subcategories	USPC 244/90
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