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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 |
| 5266779 | Fail safe control device A fail safe temperature control device which consists of a nonelastic container or bulb adapted to be subjected to temperature changes, a capillary tube and a pressure responsive device. The container generally is located in the area in which the heat is ... | 11/30/1993 |
| 4691097 | Fail safe safety control device A fail safe device for use in conjunction with a temperature sensing bulb, capillary, and control device in an oven or other heating appliance, which fail safe device will prevent a failure of the basic control device from permitting a critical overheat c... | 09/01/1987 |
| 4596361 | Safety control This invention relates generally to apparatus wherein a change in temperature is transmitted from a sensing bulb through a capillary to a control device. More particularly this invention is related to a novel, fail safe device for use in conjunction with ... | 06/24/1986 |
| 3960124 | Pollutant emission control system and a combined electric switch and temperature responsive valve thereof Improved pollutant emission control system and a combined electric switch and temperature responsive valve therefor as utilized in an internal combustion engine wherein a specially arranged electric switch and valve of the combined switch and valve is res... | 06/01/1976 |
