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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 |
| 6199317 | Materials for growing algae and artificial fishing banks Vitreous, algae growing materials, release stably ferrous ions, over long periods of time. The duration of ion release can be controlled as desired by adjusting the particle size of the materials. The vitreous, algae growing, materials can be converted in... | 03/13/2001 |
| 5897678 | Production method for lead-free crystal glass composition The invention provides a method by which a crystal glass composition which employs TiO2 as a raw material substituted for PbO can be produced while effectively preventing development of a yellowish color of the glass composition which is caused... | 04/27/1999 |
| 5444237 | Apparatus for inspecting a bottom border portion of transparent glass vessel for a foreign article An inspection apparatus which automatically inspects a bottom border portion of a transparent glass vessel for a foreign article accurately is disclosed. Light is projected and received by way of first and second polarization filters through a rotating gl... | 08/22/1995 |
| 5376597 | Lead-free glass composition having properties similar to lead crystal glass A glass composition is disclosed wherein the density and the refraction index and the dispersion value of light are equal to or higher than those of conventional lead-containing crystal glass while no lead is contained therein at all. The glass compositio... | 12/27/1994 |
| 5332411 | Glass article cutting method A glass article cutting method by which a glass article can be cut not only along a linear line but also along a curved line of a desired profile and can be cut comparatively readily even if the glass article has a concave or convex portion on a face ther... | 07/26/1994 |
| 5322542 | Method of and apparatus for chamfering edge of glass vessel A glass vessel edge chamfering method and apparatus wherein heat energy can be controlled readily and chamfering of a glass vessel having a deformed profile, local chamfering and simultaneous processing of the opposite inner and outer sides of a lip of a ... | 06/21/1994 |
| 5305391 | Method of and apparatus for inspecting bottle or the like A method of and an apparatus for inspecting a bottle or the like by which the presence or absence of a defect, particularly a check, can be determined with a high degree of accuracy. Light is irradiated upon an inspection area of a rotating or moving obje... | 04/19/1994 |
| 5273166 | Apparatus for sorting opaque foreign article from among transparent bodies An opaque foreign article sorting apparatus which can sort an opaque foreign article during dropping from a conveyor precisely with a high degree of accuracy. Objects including transparent bodies in which opaque foreign articles may mix are scanned, durin... | 12/28/1993 |
| 4850696 | Vacuum degree inspecting device for sealed up vessel A vacuum degree inspecting device wherein a high degree of accuracy is not required for positioning of an object vessel and the degree of vacuum of an object vessel can be detected with a high S/N ratio under a reduced influence of fluctuations in size or... | 07/25/1989 |
| 4811251 | Vessel opening top inspection method A vessel opening top inspection apparatus which can accurately detect presence or absence of an overpress finish of a vessel such as a bottle. The apparatus comprises a projector, an image sensor, a memory, a top detecting means including a top width dete... | 03/07/1989 |
