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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 |
| 7261608 | Vest with air bag A vest with air bag is a durable survival vest with shoulder pads and a front chest protector having ventilation holes therethrough and an attached air bag. The vest includes a shell defining a neck opening, a torso opening, and a pair of opposed arm holes. The vest... | 08/28/2007 |
| 6279162 | Safety protection garment A safety protection garment which enables a user to comfortably wear it during travel, and in which the garment can be rapidly prepared for an emergency for resisting impact forces or for providing buoyancy to keep the user afloat in water. The garment ha... | 08/28/2001 |
| 6213429 | Life preserver for aircraft A life preserver for aircraft includes a fire-protective, anti-knock, inflatable bag defining an inflatable chamber and a life chamber within the inflatable chamber and having an exit, a bumper frame structure supported inside the life chamber for protect... | 04/10/2001 |
| 5718612 | Personal watercraft shelter A portable shelter (10) provides protection for users (18) of an individual float tube (12) or a pontoon style kick board (76). The shelter (10) comprises a covering 32 having transparent front panels (39), transparent side and rear panels (34,37), and tr... | 02/17/1998 |
| 5570480 | Inflatable floating spa An inflatable floating spa for use in water by a person to recline and rest therein that is formed from a resilient material and comprises an air chamber that provides support for suspended upper and lower water chambers which remain submerged and a sheet... | 11/05/1996 |
| 5283916 | Process for transporting injured or stranded people, and protective capsule for carrying out the process The invention concerns a new concept for the transportation of injured or stranded people and a new rescue capsule suitable for this purpose. The process involves the following stages. A capsule which can be closed on all sides, and which has an inflatabl... | 02/08/1994 |
| 4943252 | Avalanche flotation ball A quickly inflatable survival device for skiers comprising a protective and bouyant plurality of concentric spheres made of flexibly impervious material which is stored uninflated around the waist in a belt pack (64), using a detachably attached belt (28)... | 07/24/1990 |
| 4822311 | Free fall submersible life saving device for offshore structures A free fall, submersible life saving device for an offshore structure has a spherical pressure shell in a casing. The upper part of the device has a lifting frame and at least one manhole closed with a cover and the lower part has ballast, an anchor, and ... | 04/18/1989 |
| 4527503 | Spar buoy escape system for offshore platforms An offshore platform is shown in position over the seabed. An escape chamber in the form of a spar buoy is mounted on a platform and extends from the platform above the surface of the water to below the surface. A cable also extends between the buoy and a... | 07/09/1985 |
| 4342278 | Miniature inflatable containment and dry-water-entry vessels The miniboats introduced in my U.S. Pat. 4,090,270 were basically novel in configuration, method of construction, ease of boarding by a swimmer, flotation effectiveness relative to lightness and compactness when stowed, degree of hypothermia protection ac... | 08/03/1982 |
| 4267614 | Life-saving apparatus A buoyant vessel in the shape of a rigid closed cylinder is disclosed to replace conventional lifeboats on a ship. The cylinder has a hermetically sealable door in its sidewall as well as portholes. It also has a rigid outer skin made of aluminum, an inne... | 05/19/1981 |
| 4166462 | Self-propelled shark-proof cage The invention relates to a self-propelled shark-proof cage which is provided with at least one access opening and a propeller mounting frame having pivot means coupling it to the cage so that the propeller mounting frame is pivotal about two axes at right... | 09/04/1979 |
