"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 4074380 | Recovery buoy A recovery buoy which is carried underwater by a diver and comprises an indented spool-like body of lightweight material around which is wrapped a cord. A weight is detachably mounted to the body and is attached to the cord so that the weight end of the c... | 02/21/1978 |
| 3933109 | Buoy releasable from a submarine A distress buoy releasable from a submarine comprising two hemispherical portions sealably joined to form a hollow spherical body mounting a radio transmitter with deployable antenna, a radar responder with antenna, a beacon light, a tape recorder contain... | 01/20/1976 |