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| Number | Title | Issue Date |
| 6867681 | Circuit protection device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 03/15/2005 |
| 6798332 | Current control device A current control device is described wherein a pressure conduction composite is compressed and decompressed to alter its conductivity and thereby current conduction through the device. The pressure conduction composite is composed of a nonconductive matrix, a condu... | 09/28/2004 |
| 5302936 | Conductive particulate force transducer A pressure transducer includes a base ply, a resistance ply disposed on the base ply and at least two spaced apart contacts juxtaposed in relation to the resistance ply whereby at least one of the contacts may be pressed against the surface of the resista... | 04/12/1994 |
| 5296837 | Stannous oxide force transducer and composition A pressure transducer includes a base ply, a resistance ply disposed on the base ply and at least two spaced apart conductors juxtaposed in relation to the resistance ply whereby at least one of the conductors may be pressed against the resistance ply. Th... | 03/22/1994 |
