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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7849824 | Two-stroke internal combustion engine with enhanced scavenging The engine has at least one cylinder (2) each with at least one and preferably multiple air intake valves (25′, 1) into the cylinder, and at least one exhaust port (51) at a lower position above the bottom position of the piston (53). A... | 12/14/2010 |
| 7373923 | Variable event valvetrain operation during an engine start A method for improving engine starting for an engine having a variable event valvetrain is described. According to one aspect of the description, valve timing is adjusted during a start to reduce engine emissions and fuel consumption. ... | 05/20/2008 |
| 6942048 | Accessory drive apparatus An accessory drive apparatus includes a power source, an accessory system that provides an input to the power source, an accessory driving source that drives the accessory system, and a power combination/distribution mechanism that is connected to the power source a... | 09/13/2005 |
| 6189495 | Direct cylinder fuel injection An internal combustion engine having at least one and preferably two cylinders each with a reciprocating piston, and a compressor which has a reciprocating piston driven by the engine to compress a rich fuel and air mixture within the compressor to inject... | 02/20/2001 |
| 4579093 | Fuel injection, two cycle engine A two-cycle, spark ignition engine is improved in order to eliminate the need for the typical reed valves and carburetor, while eliminating the carbon build-up inherent in mixing of the lubricant with the fuel mixture. Fuel and air are injected into the c... | 04/01/1986 |
| 4543928 | Two cycle engine with dynamic stratification and method of operation therefor A two cycle, spark ignition, internal combustion engine of the class having a combustion chamber divided into a relatively small ignition region and a larger combustion engine in which the piston reciprocates. Substantially the same stoichiometric fuel-ai... | 10/01/1985 |
| 4414927 | Two stroke oscillating piston engine A two stroke oscillating piston engine comprising cylinder sections provided with feed chambers for additional fresh air. The two outer rings, acting as pistons, draw in fresh air through intake ports and force that air to enter combustion chambers throug... | 11/15/1983 |
| 4398509 | Two-stroke motor This motor is of the type comprising a case having a cylindrical upper part in which a piston is slidably mounted and a lower part in which a crankshaft connected to the piston is disposed. The case further comprises on one hand, an intake port and an exh... | 08/16/1983 |
| 4359017 | Internal combustion engine An internal combustion engine operating on a two-stroke cycle and including a piston 1 reciprocable in a cylinder 2 to drive a crank shaft and also to inhale and compress a volume of air is characterized by a second piston 15 working in a separate cylinde... | 11/16/1982 |
| 4317432 | Two-cycle internal combustion engine A method for operating a two-cycle internal combustion engine wherein in the scavenging stroke the air-fuel mixture charged into the cylinder forms a stratum adjacent to a piston and the stratum of the air-fuel mixture is made into contact with the stratu... | 03/02/1982 |
| 4289094 | Two-stroke cycle gasoline engine A two-stroke cycle gasoline engine having a first scavenging port which is supplied with fuel-air mixture through a mixture passage, and a second scavenging port which is supplied with air, wherein supply of fuel-air mixture through the mixture passage is... | 09/15/1981 |
| 4276858 | Two-cycle internal combustion engine A two-cycle internal combustion engine includes a power cylinder, a drive piston being positioned therein. A first transfer duct extends between an auxiliary cylinder, which is supplied with carburetted air and the power cylinder and opens thereinto via a... | 07/07/1981 |
| 4248183 | Two-stroke cycle diesel engine A two-stroke cycle diesel engine having: at least one two-stroke cycle power cylinder - piston assembly incorporating uniflow scavenging and having two horizontally opposed pistons, at least first and second scavenging ports and two crankcases which may p... | 02/03/1981 |
| 4191138 | Two-cycle internal combustion engine A two-cycle internal combustion engine, comprising a first cylinder wherein an engine piston moves and a second cylinder wherein a movable balancing device moves, the internal faces of the engine piston and the movable balancing device delimiting the cham... | 03/04/1980 |
| 4016839 | Method for fueling combustion engines The invention relates to internal combustion engines of the reciprocal type, and more particularly to such engines in which the pressure for Diesel operation can be attained, or in which the power output of an Otto-cycle engine can be increased. The prese... | 04/12/1977 |
| 3981280 | Two-stroke combustion engines A two-stroke combustion engine with intake and exhaust ports which are indirectly or directly controllable in accordance with the reciprocating motion of a working piston in a cylinder space, wherein at one side of the piston there is a working chamber ac... | 09/21/1976 |
| 3938481 | Two-stroke internal combustion engine The invention relates to internal combustion engines of the reciprocal type, and more particularly to such engines in which the pressure for Diesel operation can be attained, or in which the power output of an Otto-cycle engine can be increased. The prese... | 02/17/1976 |
