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| Number | Title | Issue Date |
| 4651525 | Piston reciprocating compressed air engine An engine of the reciprocating piston type is provided in which the motive power for power generating pistons is compressed air stored in compartments forming part of the engine which are replenished with compressed air by a piston operating in a cylinder... | 03/24/1987 |
| 4629037 | Self-retracting brake pad assembly for spot type disc brakes A self-retracting brake pad assembly has a pair of lateral faces each of which having at least a portion supportable at a carrying brake member e.g. a brake carrier. A recess is located close to the middle of each of the two lateral faces. A return spring... | 12/16/1986 |
| 4616634 | Soft tissue protector for use in oral and maxillofacial surgery A unitary instrument for protection and retraction of the soft tissues of the oral cavity during oral and maxillofacial surgery has a central handle part and active blade parts extending from the ends of the handle parts at different curvatures, with oppo... | 10/14/1986 |
| 4616633 | Retractor for use in oral and maxillofacial surgery An instrument for retracting soft tissue during oral and maxillofacial surgery has a handle, a palm engaging lesser blade at one end of the handle and a greater active blade which extends at an adjustable angle from the other end of the handle.... | 10/14/1986 |
| 4576853 | Multi-layer pleated textile fiber product A product formed of a plurality of unstable layers of textile fiber pleated together with both the layers and the pleats in close contact, forming a stable body the upper and lower surfaces of which are formed by the folds between the pleats.... | 03/18/1986 |
| 4549389 | Precharged containers A method of hermetically sealing a predetermined quantity of alcohol into a chamber provided at the bottom of a stackable disposable container of plastics material by securing a lid or cover having the thickness of foil to a ledge defined at the transitio... | 10/29/1985 |
| 4535507 | Method and apparatus for removing lump meat from a Chesapeake Bay blue crab The backfin lump of meat is removed from the prepared body of a cooked Chesapeake Bay blue crab by cutting the body along planes which are, respectively, outside the collar bones which internally bound the lump meat cavities and converge to the center lin... | 08/20/1985 |
| 4501231 | Heating system with liquid pre-heating A heating system is provided in which a rotor is rotated within a body of liquid within a chamber to heat the liquid by friction, and the liquid is conveyed to a heat exchanger and then returned to the liquid heater. The rotor chamber of the liquid heater... | 02/26/1985 |
| 4469314 | Metal heating furnace A metal heating furnace for heating slabs, billets or blooms prior to their hot rolling. Full use to thermal energy can be ensured and the workpieces can be uniformly heated to a desired rolling temperature.... | 09/04/1984 |
