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THE INTERNATIONAL HYDROFOIL SOCIETY -- ESTABLISHED 1970
  • MANDLES PRIZE
    • Cedarville Univ Submission for posting
    • 2020 Mandles Prize Rules
    • 2020 IHS Mandles Prize INVITATION
    • 2019 FINAL Winner Announcement
    • The 2019 IHS Mandles Prize Invitation to Compete
    • The 2019 IHS Mandles Prize Invitation to Compete
    • The 2019 IHS Mandles Prize Invitation to Compete
    • 2018 WINNER — MANDLES PRIZE
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    • 2016 Winner — Mandles Prize Paper
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  • HOME
  • ABOUT US
    • Future
  • NEWSLETTER
    • 2019 JULY NEWSLETTER
    • 2019 FEB NEWSLETTER
    • 2018 July Newsletter
    • 2018 JAN NEWSLETTER’
    • 2017 July Newsletter
    • 1978 to 2016 Nwsltrs
  • PHOTOS
    • AGEH PLAINVIEW IN OPERATION
    • BABOCHKA USSR
    • BOARDS
    • SAIL POWERED
    • SMALL ENG. POWERED
    • SOLAR POWERED
    • PIONEERS
    • PROTOTYPES SMALL
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Select Page

Keiper_Trimaran_06May70

Patents, Sail & Human Powered, Sail Powered

Patent_AU464259_Keiper_Trimaran_06May70

Prior_HF_Craft_05Aug69

Patents

Patent_US3459146_Prior_HF_Craft_05Aug69

Gilruth_HF_Craft_01Mar55

Patents, Sail & Human Powered, Sail Powered

Patent-US2703063_Gilruth_HF_Craft_01Mar55

Hill_Sailboat_Side_Keels_01Mar55

Patents, Sail & Human Powered, Sail Powered

Patent-US2703064_Hill_Sailboat_Side_Keels_01Mar55

Vertens_HF_23Oct56

Patents

Patent-US2767678_Vertens_HF_23Oct56

Hook_HF_Craft_11Jun57

Patents, Sail & Human Powered, Sail Powered

Patent-US2795202Hook_HF_Craft_11Jun57

Boericke_HF_Device_16Jun59

Patents

Patent-US2890672_Boericke_HF_Device_16Jun59

Baker_Monitor_21OCt58

Patents, Sail Powered, Specific Craft

Patent-US2856879_Baker_Monitor_21OCt58

Beuby_CAT_19Feb63

Patents, Sail & Human Powered, Sail Powered

Patent-US3077850_Beuby_CAT_19Feb63

Savitsky_HF_Control_Sys_04Jun63

Control, Patents

Patent-US3092062_Savitsky_HF_Control_Sys_04Jun63

Malrose_Improved_Sailboat_17Dec63

Patents, Sail & Human Powered, Sail Powered

Patent-US3112725_Malrose_Improved_Sailboat_17Dec63

Headrick_Foil_Apparatus_17Dec63

Books about Hydrofoils, Patents

Patent-US3114343_Headrick_Foil_Apparatus_17Dec63

Roper_HF_Control_23Feb65

Patents

Patent-US3170432_Roper_HF_Control_23Feb65

Steinberg_HF_Boat_19Mar68

Patents

Patent-US3373710_Steinberg_HF_Boat_19Mar68

BSmith_Sail_HF_04Jan72

Patents

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Keiper_HF_Trimaran_09_Feb71

Patents

Patent-US3561388_Keiper_HF_Trimaran_09_Feb71

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