LandOfFree - US Patents - Listing for Marine propulsion,Self-propelled vehicle having land and water propulsion means,Having separated propulsion means for land and water

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Amphibious vehicles with retractable wheels

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Auxiliary flotation, propulsion and steering gear for multipurpo

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Auxiliary power generation means for outboard motors

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Belt drive propulsion system

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Belt drive propulsion system

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Bicycle floatation and transportation device and method

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Bicycle watercraft assembly

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Bike board

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Canard balanced marine bicycle

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Drive structure and assembly for a pontoon vessel

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Float attachment for a bicycle

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Floatation apparatus for use with a standard bicycle

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Floatation apparatus for use with any standard bicycle

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Floatation device system

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Floatation device with propeller and rudder driven by a bicycle

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Fuel compositions

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Integrated system for land and water recreation

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Land vehicle floatable and steerable in water

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Machine for performing work on land and/or in water