US PATENT SUBCLASS 347 / 149
.~.~.~ Spacing or pressure

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

111  DF  ELECTRIC MARKING APPARATUS OR PROCESSES {3}
112  DF  .~ Electrostatic {8}
141  DF  .~.~ Specific electrostatic head {7}
149.~.~.~ Spacing or pressure

DEFINITION

Classification: 347/149

Spacing or pressure:

(under subclass 141) Subject matter including means for controlling contact, or distance between, the marker and the medium.