Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7329161 | Amphibious recreation vehicle An amphibious passenger vehicle having several open or covered holes and a surrounding cover to accommodate fishing and hunting. An aft mounted engine, forward/reverse transmission, drive linkage and disk/caliper brake assembly controls a pair of rear wheels. Electr... | 02/12/2008 |
| 7040941 | Vessel propulsion system The present invention relates to a vessel propulsion system and, more specifically, to a vessel propulsion system with improved efficiency and which leads to reduced wave formation, which comprises a propulsion device immersed at least partially in water and which r... | 05/09/2006 |
| 5993273 | Amphibious all terrain vehicle An improved amphibious all terrain vehicle having a subtantially rectangular body or shell and is constructed of a light-weight durable metallic material. A combustion gas engine is coupled to a dual hydraulic pump system which is centrally mounted within... | 11/30/1999 |
| 5299523 | Amphibious land reclamation vehicle A lightweight floatable vehicle which includes an articulated main frame to which a variety of earthworking and dredging equipment may be mounted and which is supported and propelled by four independently powered, hollow, generally circular pods which are... | 04/05/1994 |
| 4926777 | Aquatic wheelchair An aquatic wheelchair having a main flotation body of thermoplastic material of closed cell construction including a seat portion and an integral backrest portion. Flotation paddle wheels are connected to the seat portion and a flotation stabilizer wheel ... | 05/22/1990 |
| 4872413 | Crayfish harvester boat apparatus A crayfish harvester boat apparatus having a principal boat portion open ended with side walls and a bottom portion defining a container and occupant space therewithin; a pair of rear drive wheels hingedly mounted to the rear portion of the boat, and a st... | 10/10/1989 |
| 4842561 | Aquatic vehicle An aquatic vehicle for transporting passengers at high speeds over water, the vehicle having an elongated body with an enclosed cabin for accommodating passengers, wheels for sustaining the body above water, axles projecting from the body to the wheels, i... | 06/27/1989 |
| 4819575 | Marine conversion for cycle An engine powered cycle is converted for use on water by attaching an elongated float to a steering wheel support and by replacing the driving wheels with a pair of paddle floats. Another float positioned between and aft of the paddle floats may be employ... | 04/11/1989 |
