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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 6334337 | Air bubbler to increase glass production rate In a glass melter, a precious metal insert is used to protect a gas bubbler from corrosion at the orifice of the bubbler through which gas is injected into the melt. The use of a precious refractory metal insert at the bubbler orifice prevents the attack ... | 01/01/2002 |
| 5405590 | Off-gas scrubber system An off-gas quencher and solid recovery scrubber unit includes a wet flue gas scrubber which has the dual responsibilities of lowering the temperature of the inlet hot gas entering through the scrubber and trapping contaminants from the gas stream into the... | 04/11/1995 |
| 5340372 | Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste Material, such as, for example, sealed double bags of asbestos containing waste or ash from infectious waste or toxic material or radioactive waste, is transferred into a glass melt of a furnace. Gas bubbles released into the melt form a gas curtain which... | 08/23/1994 |
| 5188649 | Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste Material, such as, for example, sealed double bags of asbestos containing waste or ash from infectious waste or toxic material or radioactive waste, is transferred into a glass melt of a furnace. Gas bubbles released into the melt form a gas curtain which... | 02/23/1993 |
| 4188198 | Joint doping of porous glasses to produce materials with high modifier concentrations A glass article is produced by doping a porous glass matrix with at least one member selected from the group consisting of PbO and Bi2 O3 and at least one member selected from the group consisting of K2 O, Rb2 O... | 02/12/1980 |
