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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 6103054 | Method of making a laminated device for generating electrical energy A device for generating electrical current in the presence of ambient heat includes an intermediate layer having a predetermined electronegativity value interposed between a first outer layer and a second outer layer, in which the first outer layer has an... | 08/15/2000 |
| 5989721 | Device and method for generating electrical energy A device for generating electrical current in the presence of ambient heat includes an intermediate layer having a predetermined electronegativity value interposed between a first outer layer and a second outer layer, in which the first outer layer has an... | 11/23/1999 |
| 5945630 | Device and method for generating electrical energy A device for generating electrical current in the presence of ambient heat includes an intermediate layer having a predetermined electronegativity value interposed between a first outer layer and a second outer layer, in which the first outer layer has an... | 08/31/1999 |
| 5888429 | Method for providing high temperature conductive-resistant coating, medium and articles The temperature adjustable coating and medium and method for providing an electrically-resistant temperature-adjustable article and structure. The coating provides a continuous electrically-conductive electrically-resistive path for the application of ele... | 03/30/1999 |
| 5834899 | Fluorescent apparatus and method employing low-frequency excitation into a conductive-resistive inductive medium A fluorescent illuminating apparatus includes a translucent housing with a chamber within which a fluorescent medium is supported. The fluorescent medium and housing may be part of an ordinary fluorescent lightbulb. The housing has electrical connections ... | 11/10/1998 |
| 5582769 | Composition for providing high temperature conductive-resistant coating The temperature adjustable coating and medium and method for providing an electrically-resistant temperature-adjustable article and structure. The coating provides a continuous electrically-conductive electrically-resistive path for the application of ele... | 12/10/1996 |
| 5510586 | Switch joint for electrical switching mats A switch joint provides pressure-sensitive continuity between a pair of pressure-sensitive electrical switching mats. The mats include an active switching area and an inactive edge. The switch joint is positioned between adjacent inactive edges of the mat... | 04/23/1996 |
| 5385785 | Apparatus and method for providing high temperature conductive-resistant coating, medium and articles The temperature adjustable coating and medium and method for providing an electrically-resistant temperature-adjustable article and structure. The coating provides a continuous electrically-conductive electrically-resistive path for the application of ele... | 01/31/1995 |
| 5260530 | Illuminated, pressure-actuated switch An illuminated, press-at-any-point switching device which can be actuated by the application of or the removal of pressure at substantially any point along a surface of the switching device. The illuminated, press-at-any point switching device includes a ... | 11/09/1993 |
| 5180900 | Electrical resistance element with heat-sensitive disconnect capability An electrical resistance heating element includes a pair of spaced apart electrical conductors, and a strip of resistive material disposed between the conductors and extending along their lengths. A strip of heat-sensitive, electrically conductive materia... | 01/19/1993 |
| 5142109 | Puncture-resistant mat for pressure-actuated switches A protective mat for use with pressure-actuated switching devices having a moisture-resistant, isolated switching chamber protected by a puncture-resistant, protective layer which disperses forces applied to the mat.... | 08/25/1992 |
| 5001310 | Puncture-resistant mat for pressure-actuated switches A protective mat for use with pressure-actuated switching devices having a moisture-resistant, isolated switching chamber protected by a puncture-resistant, protective layer which disperses forces applied to the mat.... | 03/19/1991 |
| 4987277 | Normally closed pressure-actuated switch A normally-closed electrical switch having a plurality of electrically conductive contacts normally arranged in overlapping electrical communication. A preferred embodiment of the present invention also comprises a pressure directing mechanism for directi... | 01/22/1991 |
| 4823106 | Tape element and methods, for heating, pressure measurement and circuit fabrication Ordinary inexpensive magnetic recording tape is used to create a novel resistance element which may be made pressure sensitive to perform a number of tasks involving robot finger control intrusion alarm systems, and portable weighing scales. A pressure in... | 04/18/1989 |
| 4758815 | Tap element and methods, for heating, pressure measurement and circuit fabrication Ordinary inexpensive magnetic recording tape is used to create a novel resistance element which may be made pressure sensitive to perform a number of tasks involving robot finger control intrusion alarm systems, and portable weighing scales. A pressure in... | 07/19/1988 |
| 4551595 | Tape switch with corrugated wavy conductor A tape switch has a first insulating cover strip and a second insulating cover strip. A first conductive strip is bonded to the first cover strip and these combined strips have a corrugated wave form at mid-portion where joined. First and second spacer st... | 11/05/1985 |
| 4296283 | Normally closed wafer switch A sealable wafer switch which is normally closed in relaxed position but which opens when squeezed. A lower stiff plate. A first curved conductive member mounted on the lower plate with the curvature extending in the upward direction. An insulating plate ... | 10/20/1981 |
| 4293752 | Self adhering tape switch Self adhering tape switch or ribbon switch assembly is provided including a tape switch strip. A layer of deformable material bonds to the underside of said tape switch. A layer of pressure sensitive adhesive is applied to the underside of the deformable ... | 10/06/1981 |
