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| Number | Title | Issue Date |
| 5049414 | Antireflection solution for optical parts and method for antireflection treatment using said solution This invention is directed to an antireflection solution having as a main film-forming component thereof a hydrolytic derivative of a silicic ester and to a method for the treatment with the antireflection solution. The antireflection solution and the met... | 09/17/1991 |
| 4985611 | Welding equipment A welding equipment which has an upper frame which moves relative to a fixed lower frame. The movable upper frame has a plurality of upper mounting blocks and a plurality of upper electrode rods respectively mounted on the plurality of upper mounting bloc... | 01/15/1991 |
| 4900949 | Delay type flip-flop arrangement using transistor transistor logic A flip-flop arrangement receiving a clock signal and an input data and outputting a logical output in accordance with a logical level of the data. The arrangement includes a master flip-flop for transmitting a change in the logical level of the data to a ... | 02/13/1990 |
| 4817055 | Semiconductor memory circuit including bias voltage generator A semiconductor memory circuit includes therein a bias voltage generator which produces a bias voltage to be supplied to a control gate of a field effect transistor (FET) which forms a part of each memory cell in the semiconductor memory circuit. The bias... | 03/28/1989 |
| 4805637 | Apparatus for the detection and correction of anomalies in the equilibrium of the human body A movable plate (6) which rests through springs (5) on a base (1) which itself bears on the ground by means of height adjustable supports (2,3) is provided with a spherical bubble level (8), with marks AA', BB', CC', DD', which define the positioning of t... | 02/21/1989 |
| 4793065 | Circular saw with annular saw blade In an annular saw force-exerting mechanism (56, 57) is provided so as to act on flange-equipped support rollers (40, 41) for the saw blade (8). The support rollers have at least one flange (44) engaging a groove in the web portion of the saw blade. The fo... | 12/27/1988 |
| 4739502 | Clock signal generating circuit for dynamic type semiconductor memory device A clock signal generating circuit for a dynamic type semiconductor memory device including an input voltage level control unit for converting a transistor-transistor-logic (TTL) drive level to a metal-oxide-semiconductor (MOS) drive level during transmiss... | 04/19/1988 |
| 4701472 | Expandable polyvinyl chloride resin composition and foamed sheet prepared from the same A crosslinked polyvinyl chloride resin composition comprising: A: a polyvinyl chloride resin, B: at least one copolymer selected from the group consisting of ethylene/acrylic acid copolymers, ethylene/alkyl acrylate copolymers and ethylene/alkyl methacrylate c... | 10/20/1987 |
| 4449266 | Toothbrush with two segments of bristles A toothbrush having an elongated handle, the handle defining a center plane containing the longitudinal axis. A pair of bristle-bearing segments, each segment containing a plurality of bristles mounted therein, is connected to the handle by a pair of shor... | 05/22/1984 |
| 4169711 | Method for forming coal briquettes Method for forming coal briquettes from coal particles in the size range of 1/4 to 3/4 inch and containing fines in the range of 20-40% by volume. The coal particles and fines are mixed with sodium silicate and/or potassium silicate as a binder and are co... | 10/02/1979 |
| 4156712 | Gas-liquid contacting method A method for removing sulfur dioxide from flue gases by simultaneous absorption and oxidation in an aqueous absorbent. An enclosed body of an aqueous liquid absorbent for the sulfur dioxide is provided and the flue gas is sparged into an upper portion of ... | 05/29/1979 |
