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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 |
| 6546751 | Articles with selectively deposited overlay A method of providing a decorative metal pattern on an electrically non-conductive substrate, such as a glass or plastic substrate, which includes applying a mixture of heat fusible material, such as glass or plastic, with a metal having a particle size l... | 04/15/2003 |
| 6192709 | Quencher clamping operation using an electromagnet A method of embedding a magnetically attractable member (25) in a ceramic material (1) and a system therefor wherein there are provided a magnetically attractable member and a ceramic member capable of being placed in a molten state. The magnetically attr... | 02/27/2001 |
| 5677190 | Cell and circuit for monitoring photochemical reactions An improved measurement cell and circuit for measuring the electrical characteristics of a liquid sample during exposure to radiation includes a glass cell formed of a main tube extending generally parallel to an elongated lamp emitting the radiation, and... | 10/14/1997 |
| 5312472 | Method for manufacturing resonant cavity for laser A method for affixing the optics of a laser to the laser tube, comprising: providing a substrate seat, coupling a substrate to the seat, coating the substrate with a multilayer thin film coating, and securing the substrate seat to the laser tube. In a fur... | 05/17/1994 |
| 4915719 | Method of producing a hermetic glass to metal seal without metal oxidation A method for forming a hermetic compression glass to metal seal which leaves the metal free of oxide. A temporary assembly of a metal header having a glass bead in an aperture therethrough and an electrical feedthrough conductor passing through the glass ... | 04/10/1990 |
| 4676817 | Method and apparatus for forming a hermetic seal between glass and metal A rugged scintillation detector uses a hermetically sealed window assembly welded or otherwise bonded to the detector housing. A method and apparatus useful in forming a reproducible hermetic seal between the glass and an annular metal retaining ring is d... | 06/30/1987 |
| 4612029 | Method and apparatus for performing in-situ vacuum-assisted metal to glass sealing A method and apparatus for assembling and fusing glass to metal in a glass-metal electrical component is disclosed. The component includes a metallic shell formed with upper and lower cylindrical recesses connected together by longitudinal passages, a pai... | 09/16/1986 |
| 4566892 | Method for forming glass to metal seals in structural members A baseplate is made up of a metal stamped eyelet for the production of glass to metal seals. The baseplate has bores for accommodating respective metallic leads and insulating glass beads. The bores have on their inner walls abutments arranged at the lowe... | 01/28/1986 |
| 4509880 | Very high hermeticity glass to metal seal A very high hermeticity glass to metal seal comprising a round cylindrically shaped glass member having an outside diameter; a tubular sleeve of resilient metal having (i) a first end with an inside diameter slightly larger than said outside diameter of s... | 04/09/1985 |
| 4445920 | Method of making glass-to-metal seal (header) A metal-to-glass-to-metal seal that includes a chemical bond between the ss and metal as well as a mechanical seal is obtained by using an oxide layer which joins the glass and metal. A glass tube or glass powder with a coefficient of expansion which app... | 05/01/1984 |
| 4377404 | Hermetic glass-to-metal seal and method for making same This invention relates to a manufacturing method and a hermetic glass-to-metal seal suitable for a component in an electric circuit such as a liquid tantalum electrolytic capacitor. The method comprises the steps of fusing a raw material glass in order to... | 03/22/1983 |
| 4311505 | Method of manufacturing glass-lined metal tubes A method of manufacturing glass-lined tube. An undercoat of glass is fused onto the surfaces of nozzle-shaped flange-pieces, from their outer peripheral edges to their molded and curved inner faces, welding flange components then welded to either end of t... | 01/19/1982 |
| 4292464 | Glass pass through with an additional insulator for lengthening leakage path Pass through having a glass part disposed in an opening formed in a metal case part, an insulator for lengthening the leakage path connected at an end face thereof to at least one end face of the glass part and at least one electric conductor extending th... | 09/29/1981 |
| 4184189 | Capacitive pressure sensor and method of making it An inexpensive glass capacitive pressure sensor. Conductive capacitor electrodes are disposed on two flat glass plates, one serving as a diaphragm, the other as a substrate. The electrodes are positioned in a spaced apart, substantially parallel relations... | 01/15/1980 |
| 4103200 | Arc tube end seal and method of forming An improved arc tube end seal and the method of forming that seal in a high pressure sodium discharge lamp is disclosed. The method includes precoating the refractory metal end cap with a slurry of metallic silicon and baking the end cap prior to accompli... | 07/25/1978 |
| 3976956 | Laser device and a method of fabrication The metal end plates of a laser device are provided with relatively large annular hub portions extending outwardly from the laser envelope. Glass mirror blocks are used, each having a small area of a reflective coating in the center of one surface of the ... | 08/24/1976 |
| 3962765 | Method of installing a mount assembly in a multi-beam cathode ray tube A bulb assembly, including a faceplate panel portion and a mount assembly, comprising a stem and a multi-beam electron gun assembly, are positioned in axial alignment on respective central longitudinal axes. A reference plane which contains the central lo... | 06/15/1976 |
| 3962764 | Method of installing a mount assembly in a multi-beam cathode ray tube A bulb assembly, including a faceplate panel portion, and a mount assembly, comprising a stem and a multi-beam electron gun assembly, are positioned in axial alignment on respective central longitudinal axes. A reference plane which contains the central l... | 06/15/1976 |
