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| Number | Title | Issue Date |
| 4809866 | Spill-containment device A spill-containment device for use in connection with the fill-pipe for a liquid storage tank, which includes a spill container installed around the upper end of the fill-pipe and sealed thereto so that it does not leak liquid spilled into the container w... | 03/07/1989 |
| 3959523 | Additive printed circuit boards and method of manufacture Circuit boards for electronic equipment are produced in which the circuit-forming conductor metal is deposited on a suitably catalyzed and masked resin substrate by an all-additive electroless deposition technique, in which the characterizing feature is t... | 05/25/1976 |
| 3946656 | Manufacture of filled pastry rolls A filled pastry roll is made from a continuously supplied strip of pastry by apparatus in which a conveyor conveys the pastry through a sequence of treatment stations. A receiving station includes a cutter which cuts a square of pastry from the leading en... | 03/30/1976 |
| 3943658 | Intensive cultivation Apparatus providing a controlled environment for intensive cultivation of vegetable matter, e.g. bean sprouts is disclosed. A valve regulates the supply of water from a reservoir to a water-spray inlet in the roof of a cultivation chamber having an air ve... | 03/16/1976 |
| 3930381 | Universal joint A universal joint is disclosed for rotationally coupling a pair of shafts, comprising identical yoke members having paired diametrically opposed axially extending arms telescoped into overlapped but circumferentially spaced relation, and coupling block me... | 01/06/1976 |
