"Radio has no future."
Lord Kelvin, British mathematician and physicist ; 1897
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| Number | Title | Issue Date |
| 6000566 | Tamper indicating bridged fitment A tamper indicating bridged fitment is provided having an annular flange and an upwardly extending cylindrical side wall. Said fitment has a tamper indicating feature which is comprised of a bridge connected to the top edge of said upwardly extending cyli... | 12/14/1999 |
| 5425470 | Fuel tank closure A permeation resistant closure for a mutlilayer fuel tank. A barrier layer within a closure plug aligns with the barrier layer of a fuel tank wall to form an integral and uninterrupted permeation resistant barrier surface.... | 06/20/1995 |