US PATENT SUBCLASS 14 / *
.~.~.~ Shaft rotation

Current as of: June, 1999
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14 /   HD   BRIDGES

31  DF  DRAW {10}
50  DF  .~ Gates {2}
*  DD  .~.~ Bridge operated {2}
*.~.~.~ Shaft rotation {4}
62  DF  .~.~.~.~> Horizontally sliding {1}
64  DF  .~.~.~.~> Horizontally swinging {1}
66  DF  .~.~.~.~> Vertically sliding {1}
68  DF  .~.~.~.~> Vertically swinging {1}