US PATENT SUBCLASS 381 / 329
.~.~.~ Device for manipulation

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

312  DF  HEARING AIDS, ELECTRICAL {9}
322  DF  .~ Specified casing or housing {8}
328  DF  .~.~ Ear insert {1}
329.~.~.~ Device for manipulation

DEFINITION

Classification: 381/329

Device for manipulation:

(under subclass 328) Subject matter including means for insertion, extraction, or parameter setting of an ear insert.