Bizarre Patents
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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5308582 | Syringe capping and uncapping device A hypodermic syringe uncapping device includes a housing enclosing two opposed, pivotal arms adapted to grip a cap protecting a hypodermic syringe needle. Upon insertion through a hole in the housing, the capped needle is forced against a movable plunger ... | 05/03/1994 |
| 5242983 | Polyisobutylene toughened poly(methyl methacrylate) A bone cement is prepared by synthesizing a polymeric composition comprising poly(methyl methacrylate) cross-linked by copolymerization with tris(ω-methacryloyl) polyisobutylene. A powder is formed from the composition, and the final cement is prepared b... | 09/07/1993 |
| 5241044 | Soluble poly(p-phenylene)s A process for preparing poly(p-phenylene)s comprises reacting dihydroxy aromatic compounds such as orthoquinone and bisphenols with halogen-substituted aliphatic sulfonic acids, halogen sulfonic acid, or their anhydrides. The monomers thus formed are subs... | 08/31/1993 |
| 5238992 | Microemulsion polymer blends A process for preparing solid polymer blends and composites of controlled porosity in microemulsions containing both hydrophilic and hydrophobic phases. The microemulsions are prepared with surfactant systems that may include a cosolvent as a part thereof... | 08/24/1993 |
| 4871085 | Apparatus for identifying and indicating the content of document canisters Apparatus for identifying and indicating the content of document canisters such as those used to hold supplies of documents in Automated Teller Machines (ATMs), includes a canister (10) holding a stack of documents (30) and having a face plate (24). Face ... | 10/03/1989 |
| 4867445 | Resistance-type exercise apparatus Exercise apparatus including an arm pivotally mounted on a base, a fluid actuator carried by the arm and having a piston drive by an arm also pivotally mounted on the base, and a member for rotating the arm to move the piston against force resulting from ... | 09/19/1989 |
| 4864083 | Reversing switch In accordance with the present invention, there is provided an electric reversing switch comprising an insulated base having an elongated cavity defined therein. An elongated insulation member is provided for oscillatory motion about an axis through the c... | 09/05/1989 |
| 4851706 | Electronic-safety ski binding release A system for processing analog electrical input signals to produce output signals having frequencies determined by electrical adapting signals, in which the adapting signals may depend upon characteristics of the input signals.... | 07/25/1989 |
| 4844373 | Line storage and dispensing device A disposable, corn dispensing device comprising a rigid, shatterproof plastic housing defining an internal cord holding cavity of substantially cylindrical shape. A spool having two circular flange portions connected by a stem portion is provided to be re... | 07/04/1989 |
| 4844333 | Spa side control unit A control unit for a spa or hot tub system is disclosed. The control unit is safe and protects the user from electric shock when operating the various spa equipment. Also, the unit allows the control and operation of all the spa equipment from a single lo... | 07/04/1989 |
| 4841759 | Auto guiding combination lock A fast opening, high security combination lock includes a case, a dial connected to a rotatable spindle, and a plurality of rotatable tumblers mounted coaxially therewith. A movable impeller mounted on said spindle is carried by internal projections in th... | 06/27/1989 |
| 4838901 | Lightweight filter A lightweight, snap together filter is provided for use under high stress environmental conditions. The casing and cover of the filter may be molded from high strength plastics and has been designed to snap together by a snap lock mechanism to secure a su... | 06/13/1989 |
| 4834414 | Toe piece for safety ski-binding A toe piece for holding a ski-boot in a safety ski binding, which toe piece is pivotable against a biasing force when excessive side forces occur. The toe piece includes a base plate and a pair of elongated, generally parallel side members, each of which ... | 05/30/1989 |
| 4828979 | Nucleotide analogs for nucleic acid labeling and detection Nucleotide analogs, modified by the attachment at hydrogen bonding positions of linker groups, that is, the 6-position of adenine, 4-position of cytosine, and 2-position of guanine, are prepared. Such analogs, alone or with reporter groups attached, may b... | 05/09/1989 |
| 4823619 | Sensor and transducer apparatus Pressure sensor apparatus comprising fluid filled pads which are compressible in response to pressure for deflecting diaphragms to effect electrical signals reflective of the pressure.... | 04/25/1989 |
| 4824107 | Sports scoring device including a piezoelectric transducer Disclosed is a device for generating an analog output signal indicative of an impact to a transucer. The tranducer may be mounted on protective equipment utilized in various martial arts fields, such as headgear, hand or footgear, protective vests and the... | 04/25/1989 |
| 4820760 | Non plateout molding composition A novel molding composition is described which prevents plateout of pigment on the surface of a mold or shaping apparatus during the molding or shaping operation. The composition has improved thermal and oxidation stability as well as increased compatibil... | 04/11/1989 |
| 4813150 | Archery sight A sighting device for use with an archery bow, comprising a mounting plate mountable on the bow; an elongated support track attached to the mounting plate; at least one blade-like sight element connected generally perpendicular to the support track, the b... | 03/21/1989 |
| 4813540 | High impact strength protective seals for tape reels A high impact strength protective seal for packaging reels of magnetic tape, cinematographic film or the like and for storing them in a suspension type storage cabinet has been developed. The seal is of a single piece design, i.e., a molded unitary lockin... | 03/21/1989 |
| 4796312 | Bathtub with access door in the side thereof A bath tub (13) having side walls (15, 16), a rear wall (14), an entrance and a door (20) for closing the entrance, the entrance having a seal (39) engageable with a chamfered inner surface (41) of the door when the door is closed and water pressure is ex... | 01/10/1989 |
| 4795185 | Heel piece for safety ski binding A heel piece of a safety ski binding, said heelpiece comprising: a base attachable to a ski; opposed vertical support members mounted on said base, each support member including a track formed by an outwardly curved surface terminating in first and second... | 01/03/1989 |
