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Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7509918 | Rudder post for rudders for water vehicles The rudder post (40) for rudders for water vehicles has end sections (41, 42) made of a metallic material, in particular of wrought iron, and a mid post section (45) made of a nonmetallic material connected with the end sections so that the rudd... | 03/31/2009 |
| 7200973 | Wire reinforced thermoplastic coating A structural reinforcing layer made from wire, a structural reinforcing composite layer made from wire, and the resulting load bearing structures made from or retrofitted with wire reinforced plastics and cements. Said layers and structures made from monofilament me... | 04/10/2007 |
| 6945186 | Rudder with sliding pivoting piston coupling The invention relates to a rudder for sea vessels, consisting of a main rudder and a fin which is coupled thereto by means of a vertical piston (15), restrictively guided by the main rudder and provided with a horizontal piston (11) The vertical piston... | 09/20/2005 |
| 6902452 | Marine split bearings with right angle removeable grooved retainer covers A sternpost or strut bearing assemblage is disclosed having a flat mounting plate integrally formed with a pair of separated collars, which collars have their centers longitudinally aligned with each other to receive a vessel's drive shaft. A pair of opposed split b... | 06/07/2005 |
| 6202583 | Steering structure of personal watercraft A steering structure of a personal watercraft comprising, a mount member 3 provided on a mount base 2 on an upper portion of a deck 1, a hold member 8 provided inside of the deck separated downward from the mount members 3 by a predetermined distance, a h... | 03/20/2001 |
| 6149337 | Self-aligning ball and socket bearing assembly A ball and socket bearing assembly adapted to receive the vertical post of a rudder installed in the stern of a boat. The assembly consists of a molded journal box having a spheroidal cavity therein defining a socket in which is nested a ball-like bearing... | 11/21/2000 |
| 5511503 | Downhauling apparatus and method for using same Apparatus for downhauling a sail movably attached to a mast assembly including a mast base having a gripping assembly are disclosed. The sail is coupled to the gripping assembly by a downhaul line adapted to be held at varying points along its length by t... | 04/30/1996 |
| 5346315 | Ball and socket bearing assembly for a rudder post A ball and socket assembly adapted to engage the post of a rudder installed in the stern of a boat and to maintain it at a proper upright position regardless of the degree to which the post deviates from the vertical and is subjected to hydrodynamic force... | 09/13/1994 |
| 5317984 | Flexible bearing for supporting the mainpiece of a rudder The flexible bearing is formed of a sleeve-shaped smooth bearing 6 fixed in a flexible block 4 nested in a housing 3 of the boat so as to absorb the bending deformations of the mainpiece without transmitting them to the structure. The housing 3 is streaml... | 06/07/1994 |
| 5070804 | Rotatable, automatic fin device notably for a sail board or analogous The invention concerns a directional fin of variable incidence at which are associated: two springs for returning the fin to central position and a symmetrical supple tooth fittings break the oscillations toward the exterior and facilitate the return move... | 12/10/1991 |
| 4809631 | Composite rudder seal A bearing assembly for use on a rudder shaft of a vessel or boat wherein the shaft has a thin cylindrical rubber sleeve that encompasses it. The outer peripheral surface of the rubber sleeve is bonded to a fiberglass ring which is bonded to an elongated a... | 03/07/1989 |
| 4802430 | Composite rudder seal A bearing assembly for use on a rudder shaft of a vessel or boat wherein the shaft has a thin cylindrical rubber sleeve that encompasses it. The outer peripheral surface of the rubber sleeve is bonded to a fiberglass ring which is bonded to an elongated a... | 02/07/1989 |
| 4766830 | Boat, especially a catamaran, with large deck space and collapsible frame A boat, especially a catamaran, having a rectangular collapsible frame with a one-man mast stepping structure. The tubular frame is comprised of fore, aft and central sub-frame assemblies which can be collapsed so as to be easily car topable and serve as ... | 08/30/1988 |
| 4683830 | Ship's steering systems A rudder system is provided on a vessel with an open propeller or no propeller, comprising at least three rudders coupled to turn in unison and operating as a cascade. The rudders are mounted on stocks journalled in bearings carried by a box above the rud... | 08/04/1987 |
