US1545214A - sullivan - Google Patents

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Publication number
US1545214A
US1545214A US1545214DA US1545214A US 1545214 A US1545214 A US 1545214A US 1545214D A US1545214D A US 1545214DA US 1545214 A US1545214 A US 1545214A
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United States
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sullivan
july
sheet
filed april
landing device
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/005—Influencing air flow over aircraft surfaces, not otherwise provided for by other means not covered by groups B64C23/02 - B64C23/08, e.g. by electric charges, magnetic panels, piezoelectric elements, static charges or ultrasounds

Description

July 7, 1925. I 1,545,214
C. T. SULLIVAN SAFETY LANDING DEVICE FOR AEROPLANES Filed April 10, 1925 2 Sheets-Sheet 1 July 7, 1925. 1,545,214
C. T. SULLIVAN SAFETY LANDING DEVICE FOR AEROPLANES Filed April 10,1925 2 he -sheet 2 I 61 ZuZ/Zbmy I (hlmurl
US1545214D sullivan Expired - Lifetime US1545214A (en)

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US1545214A true US1545214A (en) 1925-07-07

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US1545214D Expired - Lifetime US1545214A (en) sullivan

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799353A (en) * 1941-12-29 1957-07-16 Edward F Andrews Jet driven helicopter rotor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799353A (en) * 1941-12-29 1957-07-16 Edward F Andrews Jet driven helicopter rotor system

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