US PATENT SUBCLASS 114 / 146
.~ Auxiliary
Current as of: June, 1999
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DEFINITION
Classification: 114/146
Inventions in steering apparatus having a plurality of devices for operating the rudder or steering means, one auxiliary to the other for simultaneous use, or as an aid to that in general use.
SEE OR SEARCH THIS CLASS, SUBCLASS:
163, for multiple rudders, and 164 for auxiliary rudders.
