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| Number | Title | Issue Date |
| 5311123 | Method of measuring the instantaneous shaft velocity of a rotary machine A method of measuring the instantaneous shaft velocity of a rotary machine having a shaft with a plurality of circumferentially spaced markers thereon, comprises the steps of sensing the passage of the markers with at least two circumferentially spaced se... | 05/10/1994 |
| 5299736 | Air freshener device with a ceramic container and an absorbent pad An air freshener device, comprising a container with porous ceramic walls defining a closed internal space, a closure member for selectively permitting access to and sealing the internal space, and a replaceable absorbent pad the absorbent pad being impre... | 04/05/1994 |
| 5280689 | Composite cladding panel A composite cladding panel for application primarily to the exterior of buildings, comprises a core layer of lightweight insulating foam proving a thermal insulation of at least R10, said insulating foam being encapsulated in a layer of fluid impermeable ... | 01/25/1994 |
| 5277159 | Two stroke diesel engine A piston and cylinder arrangment for an internal combustion engine designed to run on diesel and similar fuels, comprises a cylinder defining a main combustion chamber, a piston reciprocatable within said cylinder and having a thermally insulating plate o... | 01/11/1994 |
| 5269889 | Electrolytic cleaning and refurbishing of grinding wheels In a method of grinding a workpiece employing a metallic grinding wheel sorting a non-conductive abrasive medium, a cathode is provided in spaced relationship with the abrasive surface so as to define a gap therewith. Electrolyte is caused to flow throug... | 12/14/1993 |
| 5269811 | Primary fluid actuated, secondary fluid propelling system A primary fluid actuated, secondary fluid propelling system, suitable for use, for example, as an implantable, artificial heart device, comprises a unidirectional pump for pumping electrorheological fluid, two return loops connected to the pump, and for e... | 12/14/1993 |
| 5140258 | Disposable tamper detection device for electricity meters A disposable tamper detection device for electricity meters of the type having a meter housing with current-carrying blades protruding therefrom for insertion into a meter socket, comprises a non-conductive board-like member having a pair of slots adapted... | 08/18/1992 |